90469331 has 2 divisors, whose sum is σ = 90469332. Its totient is φ = 90469330.

The previous prime is 90469319. The next prime is 90469343. The reversal of 90469331 is 13396409.

It is a balanced prime because it is at equal distance from previous prime (90469319) and next prime (90469343).

It is a cyclic number.

It is not a de Polignac number, because 90469331 - 2²² = 86275027 is a prime.

It is a super-2 number, since 2×90469331² = 16369399703175122, 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 = 90469291 and 90469300.

It is not a weakly prime, because it can be changed into another prime (90469391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45234665 + 45234666.

It is an arithmetic number, because the mean of its divisors is an integer number (45234666).

Almost surely, 2^90469331 is an apocalyptic number.

90469331 is a deficient number, since it is larger than the sum of its proper divisors (1).

90469331 is an equidigital number, since it uses as much as digits as its factorization.

90469331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 90469331 is about 9511.5367317800. The cubic root of 90469331 is about 448.9181104719.

The spelling of 90469331 in words is "ninety million, four hundred sixty-nine thousand, three hundred thirty-one".