979394998 has 4 divisors (see below), whose sum is σ = 1469092500. Its totient is φ = 489697498.

The previous prime is 979394963. The next prime is 979395019. The reversal of 979394998 is 899493979.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244848748 + ... + 244848751.

It is an arithmetic number, because the mean of its divisors is an integer number (367273125).

Almost surely, 2^979394998 is an apocalyptic number.

979394998 is a deficient number, since it is larger than the sum of its proper divisors (489697502).

979394998 is a wasteful number, since it uses less digits than its factorization.

979394998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489697501.

The product of its digits is 39680928, while the sum is 67.

The square root of 979394998 is about 31295.2871531801. The cubic root of 979394998 is about 993.0839444447.

The spelling of 979394998 in words is "nine hundred seventy-nine million, three hundred ninety-four thousand, nine hundred ninety-eight".