979278 has 16 divisors (see below), whose sum is σ = 1969920. Its totient is φ = 324536.

The previous prime is 979273. The next prime is 979283. The reversal of 979278 is 872979.

It is an interprime number because it is at equal distance from previous prime (979273) and next prime (979283).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1003 + ... + 1721.

It is an arithmetic number, because the mean of its divisors is an integer number (123120).

2⁹⁷⁹²⁷⁸ is an apocalyptic number.

979278 is an abundant number, since it is smaller than the sum of its proper divisors (990642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

979278 is a wasteful number, since it uses less digits than its factorization.

979278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951.

The product of its digits is 63504, while the sum is 42.

The square root of 979278 is about 989.5847614025. The cubic root of 979278 is about 99.3044398445.

It can be divided in two parts, 9792 and 78, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 979278 in words is "nine hundred seventy-nine thousand, two hundred seventy-eight".