366990 has 32 divisors (see below), whose sum is σ = 949536. Its totient is φ = 90240.

The previous prime is 366983. The next prime is 366997. The reversal of 366990 is 99663.

It is an interprime number because it is at equal distance from previous prime (366983) and next prime (366997).

It is a Curzon number.

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 366990.

It is not an unprimeable number, because it can be changed into a prime (366997) by changing a digit.

366990 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81 + ... + 860.

It is an arithmetic number, because the mean of its divisors is an integer number (29673).

2³⁶⁶⁹⁹⁰ is an apocalyptic number.

366990 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 366990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474768).

366990 is an abundant number, since it is smaller than the sum of its proper divisors (582546).

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

366990 is a wasteful number, since it uses less digits than its factorization.

366990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 366990 is about 605.7969957007. The cubic root of 366990 is about 71.5953379610.

The spelling of 366990 in words is "three hundred sixty-six thousand, nine hundred ninety".