649910604 has 24 divisors (see below), whose sum is σ = 1733095168. Its totient is φ = 185688720.

The previous prime is 649910603. The next prime is 649910621. The reversal of 649910604 is 406019946.

It is not an unprimeable number, because it can be changed into a prime (649910603) 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, 3868432 + ... + 3868599.

Almost surely, 2^649910604 is an apocalyptic number.

It is an amenable number.

649910604 is an abundant number, since it is smaller than the sum of its proper divisors (1083184564).

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

649910604 is a wasteful number, since it uses less digits than its factorization.

649910604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7737045 (or 7737043 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 649910604 is about 25493.3443078777. The cubic root of 649910604 is about 866.1993915658.

The spelling of 649910604 in words is "six hundred forty-nine million, nine hundred ten thousand, six hundred four".