90688383 has 16 divisors (see below), whose sum is σ = 135339360. Its totient is φ = 60015168.

The previous prime is 90688363. The next prime is 90688393. The reversal of 90688383 is 38388609.

It is not a de Polignac number, because 90688383 - 2⁸ = 90688127 is a prime.

It is a super-2 number, since 2×90688383² = 16448765622309378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90688303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8560 + ... + 15957.

It is an arithmetic number, because the mean of its divisors is an integer number (8458710).

Almost surely, 2^90688383 is an apocalyptic number.

90688383 is a deficient number, since it is larger than the sum of its proper divisors (44650977).

90688383 is a wasteful number, since it uses less digits than its factorization.

90688383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24663 (or 24657 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 90688383 is about 9523.0448387057. The cubic root of 90688383 is about 449.2801379443.

The spelling of 90688383 in words is "ninety million, six hundred eighty-eight thousand, three hundred eighty-three".