2900831 has 2 divisors, whose sum is σ = 2900832. Its totient is φ = 2900830.

The previous prime is 2900827. The next prime is 2900839. The reversal of 2900831 is 1380092.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2900831 - 2² = 2900827 is a prime.

It is a super-2 number, since 2×2900831² = 16829640981122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2900797 and 2900806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2900839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1450415 + 1450416.

It is an arithmetic number, because the mean of its divisors is an integer number (1450416).

2^2900831 is an apocalyptic number.

2900831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2900831 is an equidigital number, since it uses as much as digits as its factorization.

2900831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2900831 is about 1703.1826091174. The cubic root of 2900831 is about 142.6179345841.

The spelling of 2900831 in words is "two million, nine hundred thousand, eight hundred thirty-one".