366390 has 64 divisors (see below), whose sum is σ = 1036800. Its totient is φ = 91872.

The previous prime is 366383. The next prime is 366397. The reversal of 366390 is 93663.

It is an interprime number because it is at equal distance from previous prime (366383) and next prime (366397).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 366390.

It is not an unprimeable number, because it can be changed into a prime (366397) by changing a digit.

366390 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6181 + ... + 6239.

It is an arithmetic number, because the mean of its divisors is an integer number (16200).

2³⁶⁶³⁹⁰ is an apocalyptic number.

366390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 366390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518400).

366390 is an abundant number, since it is smaller than the sum of its proper divisors (670410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

366390 is a wasteful number, since it uses less digits than its factorization.

366390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 366390 is about 605.3015777280. The cubic root of 366390 is about 71.5562990820.

The spelling of 366390 in words is "three hundred sixty-six thousand, three hundred ninety".