612916 has 12 divisors (see below), whose sum is σ = 1089088. Its totient is φ = 301752.

The previous prime is 612889. The next prime is 612923. The reversal of 612916 is 619216.

It is a plaindrome in base 9.

It is a congruent number.

It is an unprimeable number.

612916 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 876 + ... + 1411.

2⁶¹²⁹¹⁶ is an apocalyptic number.

It is an amenable number.

612916 is a deficient number, since it is larger than the sum of its proper divisors (476172).

612916 is a wasteful number, since it uses less digits than its factorization.

612916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358 (or 2356 counting only the distinct ones).

The product of its digits is 648, while the sum is 25.

The square root of 612916 is about 782.8895196642. The cubic root of 612916 is about 84.9441848103.

The spelling of 612916 in words is "six hundred twelve thousand, nine hundred sixteen".