2930831 has 2 divisors, whose sum is σ = 2930832. Its totient is φ = 2930830.

The previous prime is 2930819. The next prime is 2930839. The reversal of 2930831 is 1380392.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2930831 - 2¹⁰ = 2929807 is a prime.

It is a super-2 number, since 2×2930831² = 17179540701122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2930831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2930839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1465415 + 1465416.

It is an arithmetic number, because the mean of its divisors is an integer number (1465416).

2^2930831 is an apocalyptic number.

2930831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2930831 is an equidigital number, since it uses as much as digits as its factorization.

2930831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2930831 is about 1711.9669973455. The cubic root of 2930831 is about 143.1078945125.

The spelling of 2930831 in words is "two million, nine hundred thirty thousand, eight hundred thirty-one".