616534 has 16 divisors (see below), whose sum is σ = 969408. Its totient is φ = 293832.

The previous prime is 616529. The next prime is 616537. The reversal of 616534 is 435616.

It is a super-2 number, since 2×616534² = 760228346312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 616499 and 616508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616537) 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, 5709 + ... + 5815.

It is an arithmetic number, because the mean of its divisors is an integer number (60588).

2⁶¹⁶⁵³⁴ is an apocalyptic number.

616534 is a deficient number, since it is larger than the sum of its proper divisors (352874).

616534 is a wasteful number, since it uses less digits than its factorization.

616534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219.

The product of its digits is 2160, while the sum is 25.

The square root of 616534 is about 785.1967906200. The cubic root of 616534 is about 85.1109968607.

The spelling of 616534 in words is "six hundred sixteen thousand, five hundred thirty-four".