979345 has 4 divisors (see below), whose sum is σ = 1175220. Its totient is φ = 783472.

The previous prime is 979343. The next prime is 979361. The reversal of 979345 is 543979.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543979 = 487 ⋅1117.

It can be written as a sum of positive squares in 2 ways, for example, as 646416 + 332929 = 804^2 + 577^2 .

It is a cyclic number.

It is not a de Polignac number, because 979345 - 2¹ = 979343 is a prime.

979345 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (979343) 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 3 ways as a sum of consecutive naturals, for example, 97930 + ... + 97939.

It is an arithmetic number, because the mean of its divisors is an integer number (293805).

2⁹⁷⁹³⁴⁵ is an apocalyptic number.

It is an amenable number.

979345 is a deficient number, since it is larger than the sum of its proper divisors (195875).

979345 is a wasteful number, since it uses less digits than its factorization.

979345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195874.

The product of its digits is 34020, while the sum is 37.

The square root of 979345 is about 989.6186134062. The cubic root of 979345 is about 99.3067045217.

The spelling of 979345 in words is "nine hundred seventy-nine thousand, three hundred forty-five".