408460831 has 2 divisors, whose sum is σ = 408460832. Its totient is φ = 408460830.

The previous prime is 408460753. The next prime is 408460859. The reversal of 408460831 is 138064804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 408460831 - 2¹¹ = 408458783 is a prime.

It is a super-2 number, since 2×408460831² = 333680500922421122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (408460861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204230415 + 204230416.

It is an arithmetic number, because the mean of its divisors is an integer number (204230416).

Almost surely, 2^408460831 is an apocalyptic number.

408460831 is a deficient number, since it is larger than the sum of its proper divisors (1).

408460831 is an equidigital number, since it uses as much as digits as its factorization.

408460831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 408460831 is about 20210.4139245093. The cubic root of 408460831 is about 741.9650905177.

The spelling of 408460831 in words is "four hundred eight million, four hundred sixty thousand, eight hundred thirty-one".