616612 has 6 divisors (see below), whose sum is σ = 1079078. Its totient is φ = 308304.

The previous prime is 616597. The next prime is 616639. The reversal of 616612 is 216616.

It can be written as a sum of positive squares in only one way, i.e., 443556 + 173056 = 666^2 + 416^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77073 + ... + 77080.

2⁶¹⁶⁶¹² is an apocalyptic number.

It is an amenable number.

616612 is a deficient number, since it is larger than the sum of its proper divisors (462466).

616612 is a wasteful number, since it uses less digits than its factorization.

616612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154157 (or 154155 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 616612 is about 785.2464581264. The cubic root of 616612 is about 85.1145859451.

The spelling of 616612 in words is "six hundred sixteen thousand, six hundred twelve".