366820380 has 48 divisors (see below), whose sum is σ = 1141220640. Its totient is φ = 97818624.

The previous prime is 366820379. The next prime is 366820381. The reversal of 366820380 is 83028663.

It is an interprime number because it is at equal distance from previous prime (366820379) and next prime (366820381).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366820381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339109 + ... + 340188.

It is an arithmetic number, because the mean of its divisors is an integer number (23775430).

Almost surely, 2^366820380 is an apocalyptic number.

366820380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

366820380 is an abundant number, since it is smaller than the sum of its proper divisors (774400260).

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

366820380 is a wasteful number, since it uses less digits than its factorization.

366820380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679315 (or 679307 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 366820380 is about 19152.5554430734. Note that the first 3 decimals coincide. The cubic root of 366820380 is about 715.8430598674.

The spelling of 366820380 in words is "three hundred sixty-six million, eight hundred twenty thousand, three hundred eighty".