390649614 has 32 divisors (see below), whose sum is σ = 824714880. Its totient is φ = 123018912.

The previous prime is 390649607. The next prime is 390649639. The reversal of 390649614 is 416946093.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37929 + ... + 47115.

It is an arithmetic number, because the mean of its divisors is an integer number (25772340).

Almost surely, 2^390649614 is an apocalyptic number.

390649614 is an abundant number, since it is smaller than the sum of its proper divisors (434065266).

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

390649614 is a wasteful number, since it uses less digits than its factorization.

390649614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9584.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 390649614 is about 19764.8580566621. The cubic root of 390649614 is about 731.0197882089.

The spelling of 390649614 in words is "three hundred ninety million, six hundred forty-nine thousand, six hundred fourteen".