90328758 has 64 divisors (see below), whose sum is σ = 200309760. Its totient is φ = 26986752.

The previous prime is 90328753. The next prime is 90328787. The reversal of 90328758 is 85782309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90328753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 659266 + ... + 659402.

It is an arithmetic number, because the mean of its divisors is an integer number (3129840).

Almost surely, 2^90328758 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90328758, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100154880).

90328758 is an abundant number, since it is smaller than the sum of its proper divisors (109981002).

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

90328758 is a wasteful number, since it uses less digits than its factorization.

90328758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 90328758 is about 9504.1442539557. The cubic root of 90328758 is about 448.6854773866.

The spelling of 90328758 in words is "ninety million, three hundred twenty-eight thousand, seven hundred fifty-eight".