608897664 has 96 divisors (see below), whose sum is σ = 1757201940. Its totient is φ = 202383360.

The previous prime is 608897651. The next prime is 608897743. The reversal of 608897664 is 466798806.

It can be written as a sum of positive squares in 2 ways, for example, as 581774400 + 27123264 = 24120^2 + 5208^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 608897664.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 622744 + ... + 623720.

Almost surely, 2^608897664 is an apocalyptic number.

608897664 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 608897664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (878600970).

608897664 is an abundant number, since it is smaller than the sum of its proper divisors (1148304276).

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

608897664 is a wasteful number, since it uses less digits than its factorization.

608897664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538 (or 1523 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The square root of 608897664 is about 24675.8518393996. The cubic root of 608897664 is about 847.5814357750.

The spelling of 608897664 in words is "six hundred eight million, eight hundred ninety-seven thousand, six hundred sixty-four".