608561916 has 24 divisors (see below), whose sum is σ = 1421804160. Its totient is φ = 202593072.

The previous prime is 608561911. The next prime is 608561939. The reversal of 608561916 is 619165806.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (608561911) 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, 22776 + ... + 41663.

It is an arithmetic number, because the mean of its divisors is an integer number (59241840).

Almost surely, 2^608561916 is an apocalyptic number.

It is an amenable number.

608561916 is an abundant number, since it is smaller than the sum of its proper divisors (813242244).

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

608561916 is a wasteful number, since it uses less digits than its factorization.

608561916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65233 (or 65231 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 608561916 is about 24669.0477319251. The cubic root of 608561916 is about 847.4256208164.

The spelling of 608561916 in words is "six hundred eight million, five hundred sixty-one thousand, nine hundred sixteen".