2979731 has 2 divisors, whose sum is σ = 2979732. Its totient is φ = 2979730.

The previous prime is 2979701. The next prime is 2979737. The reversal of 2979731 is 1379792.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2979731 - 2¹⁴ = 2963347 is a prime.

It is a super-2 number, since 2×2979731² = 17757593664722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2979737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1489865 + 1489866.

It is an arithmetic number, because the mean of its divisors is an integer number (1489866).

2^2979731 is an apocalyptic number.

2979731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2979731 is an equidigital number, since it uses as much as digits as its factorization.

2979731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23814, while the sum is 38.

The square root of 2979731 is about 1726.1897346468. The cubic root of 2979731 is about 143.8994121347.

The spelling of 2979731 in words is "two million, nine hundred seventy-nine thousand, seven hundred thirty-one".