390185072 has 20 divisors (see below), whose sum is σ = 761758536. Its totient is φ = 193602240.

The previous prime is 390184981. The next prime is 390185101. The reversal of 390185072 is 270581093.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90983 + ... + 95174.

Almost surely, 2^390185072 is an apocalyptic number.

It is an amenable number.

390185072 is a deficient number, since it is larger than the sum of its proper divisors (371573464).

390185072 is a wasteful number, since it uses less digits than its factorization.

390185072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186296 (or 186290 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 390185072 is about 19753.1028448697. The cubic root of 390185072 is about 730.7299085835.

The spelling of 390185072 in words is "three hundred ninety million, one hundred eighty-five thousand, seventy-two".