390502395 has 24 divisors (see below), whose sum is σ = 706301856. Its totient is φ = 199212288.

The previous prime is 390502391. The next prime is 390502397. The reversal of 390502395 is 593205093.

It is not a de Polignac number, because 390502395 - 2² = 390502391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (390502391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187614 + ... + 189683.

It is an arithmetic number, because the mean of its divisors is an integer number (29429244).

Almost surely, 2^390502395 is an apocalyptic number.

390502395 is a deficient number, since it is larger than the sum of its proper divisors (315799461).

390502395 is a wasteful number, since it uses less digits than its factorization.

390502395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377331 (or 377328 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 36.

The square root of 390502395 is about 19761.1334442132. The cubic root of 390502395 is about 730.9279467221.

The spelling of 390502395 in words is "three hundred ninety million, five hundred two thousand, three hundred ninety-five".