2864831 has 2 divisors, whose sum is σ = 2864832. Its totient is φ = 2864830.

The previous prime is 2864761. The next prime is 2864833. The reversal of 2864831 is 1384682.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2864831 is a prime.

It is a super-2 number, since 2×2864831² = 16414513317122, which contains 22 as substring.

Together with 2864833, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2864833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1432415 + 1432416.

It is an arithmetic number, because the mean of its divisors is an integer number (1432416).

2^2864831 is an apocalyptic number.

2864831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2864831 is an equidigital number, since it uses as much as digits as its factorization.

2864831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 32.

The square root of 2864831 is about 1692.5811649667. The cubic root of 2864831 is about 142.0255029246.

The spelling of 2864831 in words is "two million, eight hundred sixty-four thousand, eight hundred thirty-one".