616532304 has 80 divisors (see below), whose sum is σ = 1623271104. Its totient is φ = 201600000.

The previous prime is 616532299. The next prime is 616532333. The reversal of 616532304 is 403235616.

It is a super-2 number, since 2×616532304² = 760224163751096832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 879154 + ... + 879854.

Almost surely, 2^616532304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 616532304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (811635552).

616532304 is an abundant number, since it is smaller than the sum of its proper divisors (1006738800).

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

616532304 is a wasteful number, since it uses less digits than its factorization.

616532304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 616532304 is about 24830.0685460190. The cubic root of 616532304 is about 851.1091881774.

The spelling of 616532304 in words is "six hundred sixteen million, five hundred thirty-two thousand, three hundred four".