979916 has 24 divisors (see below), whose sum is σ = 1989120. Its totient is φ = 413712.

The previous prime is 979907. The next prime is 979919. The reversal of 979916 is 619979.

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 979916.

It is not an unprimeable number, because it can be changed into a prime (979919) by changing a digit.

979916 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1991 + ... + 2433.

It is an arithmetic number, because the mean of its divisors is an integer number (82880).

2⁹⁷⁹⁹¹⁶ is an apocalyptic number.

It is an amenable number.

979916 is an abundant number, since it is smaller than the sum of its proper divisors (1009204).

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

979916 is a wasteful number, since it uses less digits than its factorization.

979916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 531 counting only the distinct ones).

The product of its digits is 30618, while the sum is 41.

The square root of 979916 is about 989.9070663451. The cubic root of 979916 is about 99.3260007900.

The spelling of 979916 in words is "nine hundred seventy-nine thousand, nine hundred sixteen".