90523932 has 12 divisors (see below), whose sum is σ = 211222536. Its totient is φ = 30174640.

The previous prime is 90523921. The next prime is 90523933. The reversal of 90523932 is 23932509.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 90523893 and 90523902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90523933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3771819 + ... + 3771842.

It is an arithmetic number, because the mean of its divisors is an integer number (17601878).

Almost surely, 2^90523932 is an apocalyptic number.

It is an amenable number.

90523932 is an abundant number, since it is smaller than the sum of its proper divisors (120698604).

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

90523932 is a wasteful number, since it uses less digits than its factorization.

90523932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7543668 (or 7543666 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 90523932 is about 9514.4065500692. The cubic root of 90523932 is about 449.0084042322.

The spelling of 90523932 in words is "ninety million, five hundred twenty-three thousand, nine hundred thirty-two".