608968864 has 36 divisors (see below), whose sum is σ = 1394651034. Its totient is φ = 260985984.

The previous prime is 608968817. The next prime is 608968879. The reversal of 608968864 is 468869806.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 515653264 + 93315600 = 22708^2 + 9660^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 192619 + ... + 195754.

Almost surely, 2^608968864 is an apocalyptic number.

It is an amenable number.

608968864 is an abundant number, since it is smaller than the sum of its proper divisors (785682170).

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

608968864 is a wasteful number, since it uses less digits than its factorization.

608968864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388397 (or 388382 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 55.

The square root of 608968864 is about 24677.2945032473. The cubic root of 608968864 is about 847.6144711271.

The spelling of 608968864 in words is "six hundred eight million, nine hundred sixty-eight thousand, eight hundred sixty-four".