979545 has 32 divisors (see below), whose sum is σ = 1889280. Its totient is φ = 423360.

The previous prime is 979543. The next prime is 979549. The reversal of 979545 is 545979.

It is not a de Polignac number, because 979545 - 2¹ = 979543 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

Its product of digits (56700) is a multiple of the sum of its prime divisors (525).

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 979545.

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

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1750 + ... + 2240.

It is an arithmetic number, because the mean of its divisors is an integer number (59040).

2⁹⁷⁹⁵⁴⁵ is an apocalyptic number.

979545 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

979545 is a deficient number, since it is larger than the sum of its proper divisors (909735).

979545 is a wasteful number, since it uses less digits than its factorization.

979545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525.

The product of its digits is 56700, while the sum is 39.

The square root of 979545 is about 989.7196572767. The cubic root of 979545 is about 99.3134641380.

The spelling of 979545 in words is "nine hundred seventy-nine thousand, five hundred forty-five".