90837936 has 400 divisors, whose sum is σ = 345692160. Its totient is φ = 22394880.

The previous prime is 90837899. The next prime is 90837937. The reversal of 90837936 is 63973809.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 90837891 and 90837900.

It is not an unprimeable number, because it can be changed into a prime (90837937) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2930241 + ... + 2930271.

Almost surely, 2^90837936 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 90837936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172846080).

90837936 is an abundant number, since it is smaller than the sum of its proper divisors (254854224).

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

90837936 is a wasteful number, since it uses less digits than its factorization.

90837936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 90837936 is about 9530.8937671133. The cubic root of 90837936 is about 449.5269696014.

The spelling of 90837936 in words is "ninety million, eight hundred thirty-seven thousand, nine hundred thirty-six".