2479931 has 4 divisors (see below), whose sum is σ = 2504112. Its totient is φ = 2455752.

The previous prime is 2479927. The next prime is 2479963. The reversal of 2479931 is 1399742.

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

It is a cyclic number.

It is not a de Polignac number, because 2479931 - 2² = 2479927 is a prime.

It is a super-2 number, since 2×2479931² = 12300115529522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2479891 and 2479900.

It is not an unprimeable number, because it can be changed into a prime (2479901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11936 + ... + 12141.

It is an arithmetic number, because the mean of its divisors is an integer number (626028).

2^2479931 is an apocalyptic number.

2479931 is a deficient number, since it is larger than the sum of its proper divisors (24181).

2479931 is a wasteful number, since it uses less digits than its factorization.

2479931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24180.

The product of its digits is 13608, while the sum is 35.

The square root of 2479931 is about 1574.7796671281. The cubic root of 2479931 is about 135.3567336943.

The spelling of 2479931 in words is "two million, four hundred seventy-nine thousand, nine hundred thirty-one".