896409931 has 2 divisors, whose sum is σ = 896409932. Its totient is φ = 896409930.

The previous prime is 896409901. The next prime is 896409953. The reversal of 896409931 is 139904698.

896409931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 896409931 - 2²¹ = 894312779 is a prime.

It is a super-2 number, since 2×896409931² = 1607101528790849522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (896409901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448204965 + 448204966.

It is an arithmetic number, because the mean of its divisors is an integer number (448204966).

Almost surely, 2^896409931 is an apocalyptic number.

896409931 is a deficient number, since it is larger than the sum of its proper divisors (1).

896409931 is an equidigital number, since it uses as much as digits as its factorization.

896409931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 896409931 is about 29940.1057279362. The cubic root of 896409931 is about 964.2039058775.

The spelling of 896409931 in words is "eight hundred ninety-six million, four hundred nine thousand, nine hundred thirty-one".