616812 has 36 divisors (see below), whose sum is σ = 1675800. Its totient is φ = 176064.

The previous prime is 616799. The next prime is 616829. The reversal of 616812 is 218616.

616812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64 + ... + 1112.

It is an arithmetic number, because the mean of its divisors is an integer number (46550).

2⁶¹⁶⁸¹² 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 616812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (837900).

616812 is an abundant number, since it is smaller than the sum of its proper divisors (1058988).

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

616812 is a wasteful number, since it uses less digits than its factorization.

616812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070 (or 1061 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

The square root of 616812 is about 785.3737963543. The cubic root of 616812 is about 85.1237873430.

The spelling of 616812 in words is "six hundred sixteen thousand, eight hundred twelve".