90328392 has 128 divisors (see below), whose sum is σ = 312883200. Its totient is φ = 23457600.

The previous prime is 90328391. The next prime is 90328393. The reversal of 90328392 is 29382309.

It is an interprime number because it is at equal distance from previous prime (90328391) and next prime (90328393).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (90328391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13917 + ... + 19347.

It is an arithmetic number, because the mean of its divisors is an integer number (2444400).

Almost surely, 2^90328392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90328392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156441600).

90328392 is an abundant number, since it is smaller than the sum of its proper divisors (222554808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90328392 is a wasteful number, since it uses less digits than its factorization.

90328392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5464 (or 5454 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 90328392 is about 9504.1249991780. The cubic root of 90328392 is about 448.6848713813.

It can be divided in two parts, 9032 and 8392, that added together give a square (17424 = 132²).

The spelling of 90328392 in words is "ninety million, three hundred twenty-eight thousand, three hundred ninety-two".