616456 has 16 divisors (see below), whose sum is σ = 1164240. Its totient is φ = 306000.

The previous prime is 616439. The next prime is 616459. The reversal of 616456 is 654616.

It is not an unprimeable number, because it can be changed into a prime (616459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1855 + ... + 2161.

It is an arithmetic number, because the mean of its divisors is an integer number (72765).

2⁶¹⁶⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

616456 is a deficient number, since it is larger than the sum of its proper divisors (547784).

616456 is a wasteful number, since it uses less digits than its factorization.

616456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 560 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 616456 is about 785.1471199718. The cubic root of 616456 is about 85.1074074735.

The spelling of 616456 in words is "six hundred sixteen thousand, four hundred fifty-six".