390734616 has 32 divisors (see below), whose sum is σ = 977626800. Its totient is φ = 130139520.

The previous prime is 390734609. The next prime is 390734623. The reversal of 390734616 is 616437093.

It is an interprime number because it is at equal distance from previous prime (390734609) and next prime (390734623).

It is a congruent number.

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, 27250 + ... + 39038.

Almost surely, 2^390734616 is an apocalyptic number.

It is an amenable number.

390734616 is an abundant number, since it is smaller than the sum of its proper divisors (586892184).

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

390734616 is a wasteful number, since it uses less digits than its factorization.

390734616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13179 (or 13175 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 390734616 is about 19767.0082713596. The cubic root of 390734616 is about 731.0728055723.

The spelling of 390734616 in words is "three hundred ninety million, seven hundred thirty-four thousand, six hundred sixteen".