608640764 has 24 divisors (see below), whose sum is σ = 1089538128. Its totient is φ = 297390080.

The previous prime is 608640761. The next prime is 608640793. The reversal of 608640764 is 467046806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (608640761) 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, 48899 + ... + 60069.

It is an arithmetic number, because the mean of its divisors is an integer number (45397422).

Almost surely, 2^608640764 is an apocalyptic number.

It is an amenable number.

608640764 is a deficient number, since it is larger than the sum of its proper divisors (480897364).

608640764 is a wasteful number, since it uses less digits than its factorization.

608640764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11485 (or 11483 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 608640764 is about 24670.6457961684. The cubic root of 608640764 is about 847.4622179854.

The spelling of 608640764 in words is "six hundred eight million, six hundred forty thousand, seven hundred sixty-four".