90000936 has 64 divisors (see below), whose sum is σ = 258086400. Its totient is φ = 29030400.

The previous prime is 90000931. The next prime is 90000979. The reversal of 90000936 is 63900009.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (90000931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25 + ... + 13416.

It is an arithmetic number, because the mean of its divisors is an integer number (4032600).

Almost surely, 2^90000936 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 90000936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129043200).

90000936 is an abundant number, since it is smaller than the sum of its proper divisors (168085464).

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

90000936 is a wasteful number, since it uses less digits than its factorization.

90000936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13487 (or 13477 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 90000936 is about 9486.8823119084. The cubic root of 90000936 is about 448.1420282040.

The spelling of 90000936 in words is "ninety million, nine hundred thirty-six", and thus it is an aban number.