390074036 has 24 divisors (see below), whose sum is σ = 749443296. Its totient is φ = 176173920.

The previous prime is 390074033. The next prime is 390074039. The reversal of 390074036 is 630470093.

It is an interprime number because it is at equal distance from previous prime (390074033) and next prime (390074039).

It is a super-2 number, since 2×390074036² = 304315507122658592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 390073993 and 390074011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390074033) 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, 21326 + ... + 35141.

It is an arithmetic number, because the mean of its divisors is an integer number (31226804).

Almost surely, 2^390074036 is an apocalyptic number.

It is an amenable number.

390074036 is a deficient number, since it is larger than the sum of its proper divisors (359369260).

390074036 is a wasteful number, since it uses less digits than its factorization.

390074036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56639 (or 56637 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 390074036 is about 19750.2920484736. The cubic root of 390074036 is about 730.6605867585.

The spelling of 390074036 in words is "three hundred ninety million, seventy-four thousand, thirty-six".