390324879 has 64 divisors (see below), whose sum is σ = 717050880. Its totient is φ = 204733440.

The previous prime is 390324863. The next prime is 390324887. The reversal of 390324879 is 978423093.

It is a happy number.

It is not a de Polignac number, because 390324879 - 2⁴ = 390324863 is a prime.

It is a super-2 number, since 2×390324879² = 304707022332729282, which contains 22 as substring.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390324679) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 130252 + ... + 133214.

It is an arithmetic number, because the mean of its divisors is an integer number (11203920).

Almost surely, 2^390324879 is an apocalyptic number.

390324879 is a deficient number, since it is larger than the sum of its proper divisors (326726001).

390324879 is a wasteful number, since it uses less digits than its factorization.

390324879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037 (or 3031 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 390324879 is about 19756.6413896694. The cubic root of 390324879 is about 730.8171739731.

It can be divided in two parts, 3903 and 24879, that added together give a palindrome (28782).

The spelling of 390324879 in words is "three hundred ninety million, three hundred twenty-four thousand, eight hundred seventy-nine".