616872 has 16 divisors (see below), whose sum is σ = 1542240. Its totient is φ = 205616.

The previous prime is 616871. The next prime is 616877. The reversal of 616872 is 278616.

It is a happy number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 616872.

It is not an unprimeable number, because it can be changed into a prime (616871) 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, 12828 + ... + 12875.

It is an arithmetic number, because the mean of its divisors is an integer number (96390).

2⁶¹⁶⁸⁷² is an apocalyptic number.

It is an amenable number.

616872 is an abundant number, since it is smaller than the sum of its proper divisors (925368).

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

616872 is a wasteful number, since it uses less digits than its factorization.

616872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25712 (or 25708 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 616872 is about 785.4119937969. The cubic root of 616872 is about 85.1265473745.

The spelling of 616872 in words is "six hundred sixteen thousand, eight hundred seventy-two".