900838931 has 2 divisors, whose sum is σ = 900838932. Its totient is φ = 900838930.

The previous prime is 900838901. The next prime is 900838943. The reversal of 900838931 is 139838009.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 900838931 - 2¹⁰ = 900837907 is a prime.

It is a super-2 number, since 2×900838931² = 1623021559210445522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (900838901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450419465 + 450419466.

It is an arithmetic number, because the mean of its divisors is an integer number (450419466).

Almost surely, 2^900838931 is an apocalyptic number.

900838931 is a deficient number, since it is larger than the sum of its proper divisors (1).

900838931 is an equidigital number, since it uses as much as digits as its factorization.

900838931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 900838931 is about 30013.9789264936. The cubic root of 900838931 is about 965.7892836547.

The spelling of 900838931 in words is "nine hundred million, eight hundred thirty-eight thousand, nine hundred thirty-one".