979411940 has 24 divisors (see below), whose sum is σ = 2214978360. Its totient is φ = 361628928.

The previous prime is 979411933. The next prime is 979411997. The reversal of 979411940 is 49114979.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13942756 + 965469184 = 3734^2 + 31072^2 .

It is a junction number, because it is equal to n+sod(n) for n = 979411891 and 979411900.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1883225 + ... + 1883744.

It is an arithmetic number, because the mean of its divisors is an integer number (92290765).

Almost surely, 2^979411940 is an apocalyptic number.

It is an amenable number.

979411940 is an abundant number, since it is smaller than the sum of its proper divisors (1235566420).

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

979411940 is a wasteful number, since it uses less digits than its factorization.

979411940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766991 (or 3766989 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 979411940 is about 31295.5578317435. The cubic root of 979411940 is about 993.0896706775.

The spelling of 979411940 in words is "nine hundred seventy-nine million, four hundred eleven thousand, nine hundred forty".