390231204 has 24 divisors (see below), whose sum is σ = 993316128. Its totient is φ = 118251840.

The previous prime is 390231203. The next prime is 390231217. The reversal of 390231204 is 402132093.

It is not an unprimeable number, because it can be changed into a prime (390231203) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1478017 + ... + 1478280.

It is an arithmetic number, because the mean of its divisors is an integer number (41388172).

Almost surely, 2^390231204 is an apocalyptic number.

It is an amenable number.

390231204 is an abundant number, since it is smaller than the sum of its proper divisors (603084924).

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

390231204 is a wasteful number, since it uses less digits than its factorization.

390231204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956315 (or 2956313 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 390231204 is about 19754.2705256357. The cubic root of 390231204 is about 730.7587057758.

Adding to 390231204 its reverse (402132093), we get a palindrome (792363297).

The spelling of 390231204 in words is "three hundred ninety million, two hundred thirty-one thousand, two hundred four".