90353331 has 12 divisors (see below), whose sum is σ = 131666808. Its totient is φ = 59701824.

The previous prime is 90353321. The next prime is 90353339. The reversal of 90353331 is 13335309.

It is not a de Polignac number, because 90353331 - 2¹⁸ = 90091187 is a prime.

It is a super-2 number, since 2×90353331² = 16327448845591122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90353295 and 90353304.

It is not an unprimeable number, because it can be changed into a prime (90353339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43405 + ... + 45438.

It is an arithmetic number, because the mean of its divisors is an integer number (10972234).

Almost surely, 2^90353331 is an apocalyptic number.

90353331 is a deficient number, since it is larger than the sum of its proper divisors (41313477).

90353331 is a wasteful number, since it uses less digits than its factorization.

90353331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88962 (or 88959 counting only the distinct ones).

The product of its (nonzero) digits is 3645, while the sum is 27.

The square root of 90353331 is about 9505.4369178907. The cubic root of 90353331 is about 448.7261604383.

The spelling of 90353331 in words is "ninety million, three hundred fifty-three thousand, three hundred thirty-one".