90334831 has 2 divisors, whose sum is σ = 90334832. Its totient is φ = 90334830.

The previous prime is 90334819. The next prime is 90334859. The reversal of 90334831 is 13843309.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90334831 - 2¹⁹ = 89810543 is a prime.

It is a super-2 number, since 2×90334831² = 16320763383597122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 90334793 and 90334802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90334861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45167415 + 45167416.

It is an arithmetic number, because the mean of its divisors is an integer number (45167416).

Almost surely, 2^90334831 is an apocalyptic number.

90334831 is a deficient number, since it is larger than the sum of its proper divisors (1).

90334831 is an equidigital number, since it uses as much as digits as its factorization.

90334831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 90334831 is about 9504.4637407904. The cubic root of 90334831 is about 448.6955325300.

The spelling of 90334831 in words is "ninety million, three hundred thirty-four thousand, eight hundred thirty-one".