979645450 has 48 divisors (see below), whose sum is σ = 2090741184. Its totient is φ = 334540800.

The previous prime is 979645441. The next prime is 979645483. The reversal of 979645450 is 54546979.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 979645394 and 979645403.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84505 + ... + 95395.

It is an arithmetic number, because the mean of its divisors is an integer number (43557108).

Almost surely, 2^979645450 is an apocalyptic number.

979645450 is an abundant number, since it is smaller than the sum of its proper divisors (1111095734).

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

979645450 is a wasteful number, since it uses less digits than its factorization.

979645450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11167 (or 11162 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 49.

The square root of 979645450 is about 31299.2883305675. The cubic root of 979645450 is about 993.1685880811.

The spelling of 979645450 in words is "nine hundred seventy-nine million, six hundred forty-five thousand, four hundred fifty".