979597442 has 4 divisors (see below), whose sum is σ = 1469396166. Its totient is φ = 489798720.

The previous prime is 979597417. The next prime is 979597447. The reversal of 979597442 is 244795979.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 974126521 + 5470921 = 31211^2 + 2339^2 .

It is a super-2 number, since 2×979597442² = 1919222296745886728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (979597447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244899359 + ... + 244899362.

Almost surely, 2^979597442 is an apocalyptic number.

979597442 is a deficient number, since it is larger than the sum of its proper divisors (489798724).

979597442 is a wasteful number, since it uses less digits than its factorization.

979597442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489798723.

The product of its digits is 5715360, while the sum is 56.

The square root of 979597442 is about 31298.5214027756. The cubic root of 979597442 is about 993.1523642467.

The spelling of 979597442 in words is "nine hundred seventy-nine million, five hundred ninety-seven thousand, four hundred forty-two".