90535404 has 48 divisors (see below), whose sum is σ = 226412928. Its totient is φ = 28055808.

The previous prime is 90535363. The next prime is 90535439. The reversal of 90535404 is 40453509.

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, 14259 + ... + 19605.

It is an arithmetic number, because the mean of its divisors is an integer number (4716936).

Almost surely, 2^90535404 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 90535404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113206464).

90535404 is an abundant number, since it is smaller than the sum of its proper divisors (135877524).

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

90535404 is a wasteful number, since it uses less digits than its factorization.

90535404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5454 (or 5452 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 90535404 is about 9515.0094061961. The cubic root of 90535404 is about 449.0273708809.

The spelling of 90535404 in words is "ninety million, five hundred thirty-five thousand, four hundred four".