979646 has 4 divisors (see below), whose sum is σ = 1469472. Its totient is φ = 489822.

The previous prime is 979567. The next prime is 979651. The reversal of 979646 is 646979.

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

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, 244910 + ... + 244913.

It is an arithmetic number, because the mean of its divisors is an integer number (367368).

2⁹⁷⁹⁶⁴⁶ is an apocalyptic number.

979646 is a deficient number, since it is larger than the sum of its proper divisors (489826).

979646 is a wasteful number, since it uses less digits than its factorization.

979646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489825.

The product of its digits is 81648, while the sum is 41.

The square root of 979646 is about 989.7706805114. The cubic root of 979646 is about 99.3168773945.

The spelling of 979646 in words is "nine hundred seventy-nine thousand, six hundred forty-six".