979774 has 4 divisors (see below), whose sum is σ = 1469664. Its totient is φ = 489886.

The previous prime is 979757. The next prime is 979787. The reversal of 979774 is 477979.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 477979 = 431 ⋅1109.

It is a self number, because there is not a number n which added to its sum of digits gives 979774.

It is a congruent number.

It is an unprimeable number.

979774 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244942 + ... + 244945.

It is an arithmetic number, because the mean of its divisors is an integer number (367416).

2⁹⁷⁹⁷⁷⁴ is an apocalyptic number.

979774 is a deficient number, since it is larger than the sum of its proper divisors (489890).

979774 is a wasteful number, since it uses less digits than its factorization.

979774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489889.

The product of its digits is 111132, while the sum is 43.

The square root of 979774 is about 989.8353398419. The cubic root of 979774 is about 99.3212027687.

The spelling of 979774 in words is "nine hundred seventy-nine thousand, seven hundred seventy-four".