9979437 has 16 divisors (see below), whose sum is σ = 14575680. Its totient is φ = 6035712.

The previous prime is 9979433. The next prime is 9979469. The reversal of 9979437 is 7349799.

It is not a de Polignac number, because 9979437 - 2² = 9979433 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9979433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133 + ... + 4469.

It is an arithmetic number, because the mean of its divisors is an integer number (910980).

Almost surely, 2^9979437 is an apocalyptic number.

It is an amenable number.

9979437 is a deficient number, since it is larger than the sum of its proper divisors (4596243).

9979437 is a wasteful number, since it uses less digits than its factorization.

9979437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4412.

The product of its digits is 428652, while the sum is 48.

The square root of 9979437 is about 3159.0246912615. The cubic root of 9979437 is about 215.2956955329.

The spelling of 9979437 in words is "nine million, nine hundred seventy-nine thousand, four hundred thirty-seven".