390472874 has 8 divisors (see below), whose sum is σ = 638955648. Its totient is φ = 177487660.

The previous prime is 390472867. The next prime is 390472883. The reversal of 390472874 is 478274093.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8874362 + ... + 8874405.

It is an arithmetic number, because the mean of its divisors is an integer number (79869456).

Almost surely, 2^390472874 is an apocalyptic number.

390472874 is a deficient number, since it is larger than the sum of its proper divisors (248482774).

390472874 is a wasteful number, since it uses less digits than its factorization.

390472874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17748780.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 390472874 is about 19760.3864840746. The cubic root of 390472874 is about 730.9095274857.

The spelling of 390472874 in words is "three hundred ninety million, four hundred seventy-two thousand, eight hundred seventy-four".