390479929 has 8 divisors (see below), whose sum is σ = 446643968. Its totient is φ = 334411200.

The previous prime is 390479923. The next prime is 390479933. The reversal of 390479929 is 929974093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 390479929 - 2²¹ = 388382777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (390479923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14817 + ... + 31630.

It is an arithmetic number, because the mean of its divisors is an integer number (55830496).

Almost surely, 2^390479929 is an apocalyptic number.

It is an amenable number.

390479929 is a deficient number, since it is larger than the sum of its proper divisors (56164039).

390479929 is a wasteful number, since it uses less digits than its factorization.

390479929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47655.

The product of its (nonzero) digits is 1102248, while the sum is 52.

The square root of 390479929 is about 19760.5649969833. The cubic root of 390479929 is about 730.9139294438.

The spelling of 390479929 in words is "three hundred ninety million, four hundred seventy-nine thousand, nine hundred twenty-nine".