90338875 has 16 divisors (see below), whose sum is σ = 122994144. Its totient is φ = 65700000.

The previous prime is 90338869. The next prime is 90338879. The reversal of 90338875 is 57883309.

It is a happy number.

It is not a de Polignac number, because 90338875 - 2⁹ = 90338363 is a prime.

It is a super-2 number, since 2×90338875² = 16322224672531250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90338879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31476 + ... + 34225.

It is an arithmetic number, because the mean of its divisors is an integer number (7687134).

Almost surely, 2^90338875 is an apocalyptic number.

90338875 is a deficient number, since it is larger than the sum of its proper divisors (32655269).

90338875 is a wasteful number, since it uses less digits than its factorization.

90338875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65727 (or 65717 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 90338875 is about 9504.6764805542. The cubic root of 90338875 is about 448.7022279823.

The spelling of 90338875 in words is "ninety million, three hundred thirty-eight thousand, eight hundred seventy-five".