616992 has 24 divisors (see below), whose sum is σ = 1619856. Its totient is φ = 205632.

The previous prime is 616991. The next prime is 616997. The reversal of 616992 is 299616.

It is a happy number.

616992 is nontrivially palindromic in base 15.

It is a tau number, because it is divible by the number of its divisors (24).

616992 is an undulating number in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 616992.

It is not an unprimeable number, because it can be changed into a prime (616991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3118 + ... + 3309.

It is an arithmetic number, because the mean of its divisors is an integer number (67494).

2⁶¹⁶⁹⁹² is an apocalyptic number.

It is an amenable number.

616992 is an abundant number, since it is smaller than the sum of its proper divisors (1002864).

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

616992 is a wasteful number, since it uses less digits than its factorization.

616992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6440 (or 6432 counting only the distinct ones).

The product of its digits is 5832, while the sum is 33.

The square root of 616992 is about 785.4883831095. The cubic root of 616992 is about 85.1320669007.

The spelling of 616992 in words is "six hundred sixteen thousand, nine hundred ninety-two".