979547 has 4 divisors (see below), whose sum is σ = 1022160. Its totient is φ = 936936.

The previous prime is 979543. The next prime is 979549. The reversal of 979547 is 745979.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 745979 = 13 ⋅57383.

It is a cyclic number.

It is not a de Polignac number, because 979547 - 2² = 979543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (979541) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21272 + ... + 21317.

It is an arithmetic number, because the mean of its divisors is an integer number (255540).

2⁹⁷⁹⁵⁴⁷ is an apocalyptic number.

979547 is a deficient number, since it is larger than the sum of its proper divisors (42613).

979547 is a wasteful number, since it uses less digits than its factorization.

979547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42612.

The product of its digits is 79380, while the sum is 41.

The square root of 979547 is about 989.7206676634. The cubic root of 979547 is about 99.3135317295.

The spelling of 979547 in words is "nine hundred seventy-nine thousand, five hundred forty-seven".