365695820 has 72 divisors (see below), whose sum is σ = 902786976. Its totient is φ = 124056576.

The previous prime is 365695817. The next prime is 365695843. The reversal of 365695820 is 28596563.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93137 + ... + 96983.

It is an arithmetic number, because the mean of its divisors is an integer number (12538708).

Almost surely, 2^365695820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 365695820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451393488).

365695820 is an abundant number, since it is smaller than the sum of its proper divisors (537091156).

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

365695820 is a wasteful number, since it uses less digits than its factorization.

365695820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967 (or 3958 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 365695820 is about 19123.1749455994. The cubic root of 365695820 is about 715.1107918360.

The spelling of 365695820 in words is "three hundred sixty-five million, six hundred ninety-five thousand, eight hundred twenty".