979994 has 8 divisors (see below), whose sum is σ = 1479828. Its totient is φ = 486720.

The previous prime is 979987. The next prime is 980027. The reversal of 979994 is 499979.

It can be written as a sum of positive squares in 2 ways, for example, as 765625 + 214369 = 875^2 + 463^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 979994.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1247 + ... + 1874.

2⁹⁷⁹⁹⁹⁴ is an apocalyptic number.

979994 is a deficient number, since it is larger than the sum of its proper divisors (499834).

979994 is a wasteful number, since it uses less digits than its factorization.

979994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280.

The product of its digits is 183708, while the sum is 47.

The square root of 979994 is about 989.9464631989. The cubic root of 979994 is about 99.3286361256.

The spelling of 979994 in words is "nine hundred seventy-nine thousand, nine hundred ninety-four".