392989104 has 40 divisors (see below), whose sum is σ = 1128025520. Its totient is φ = 130996224.

The previous prime is 392989097. The next prime is 392989111. The reversal of 392989104 is 401989293.

It is an interprime number because it is at equal distance from previous prime (392989097) and next prime (392989111).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 392989104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454417 + ... + 455280.

It is an arithmetic number, because the mean of its divisors is an integer number (28200638).

Almost surely, 2^392989104 is an apocalyptic number.

It is an amenable number.

392989104 is an abundant number, since it is smaller than the sum of its proper divisors (735036416).

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

392989104 is a wasteful number, since it uses less digits than its factorization.

392989104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909714 (or 909702 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 392989104 is about 19823.9527844474. The cubic root of 392989104 is about 732.4761749911.

The spelling of 392989104 in words is "three hundred ninety-two million, nine hundred eighty-nine thousand, one hundred four".