9979452 has 54 divisors (see below), whose sum is σ = 28975128. Its totient is φ = 2836944.

The previous prime is 9979433. The next prime is 9979469. The reversal of 9979452 is 2549799.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9979398 and 9979407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 50049 + ... + 50247.

Almost surely, 2^9979452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9979452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14487564).

9979452 is an abundant number, since it is smaller than the sum of its proper divisors (18995676).

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

9979452 is a wasteful number, since it uses less digits than its factorization.

9979452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 211 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 9979452 is about 3159.0270654111. The cubic root of 9979452 is about 215.2958034025.

The spelling of 9979452 in words is "nine million, nine hundred seventy-nine thousand, four hundred fifty-two".