90523968 has 112 divisors (see below), whose sum is σ = 252033024. Its totient is φ = 28638720.

The previous prime is 90523957. The next prime is 90523973. The reversal of 90523968 is 86932509.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398671 + ... + 398897.

Almost surely, 2^90523968 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 90523968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126016512).

90523968 is an abundant number, since it is smaller than the sum of its proper divisors (161509056).

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

90523968 is a wasteful number, since it uses less digits than its factorization.

90523968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 90523968 is about 9514.4084419369. The cubic root of 90523968 is about 449.0084637535.

The spelling of 90523968 in words is "ninety million, five hundred twenty-three thousand, nine hundred sixty-eight".