979745 has 8 divisors (see below), whose sum is σ = 1266216. Its totient is φ = 723456.

The previous prime is 979717. The next prime is 979747. The reversal of 979745 is 547979.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13456 + 966289 = 116^2 + 983^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 979745 - 2¹² = 975649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (979747) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7472 + ... + 7601.

It is an arithmetic number, because the mean of its divisors is an integer number (158277).

2⁹⁷⁹⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

979745 is a deficient number, since it is larger than the sum of its proper divisors (286471).

979745 is a wasteful number, since it uses less digits than its factorization.

979745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15091.

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

The square root of 979745 is about 989.8206908324. The cubic root of 979745 is about 99.3202228341.

It can be divided in two parts, 97974 and 5, that added together give a palindrome (97979).

The spelling of 979745 in words is "nine hundred seventy-nine thousand, seven hundred forty-five".