90422384 has 80 divisors (see below), whose sum is σ = 202112064. Its totient is φ = 38860800.

The previous prime is 90422369. The next prime is 90422389. The reversal of 90422384 is 48322409.

It is a self number, because there is not a number n which added to its sum of digits gives 90422384.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90422389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195914 + ... + 196374.

Almost surely, 2^90422384 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 90422384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101056032).

90422384 is an abundant number, since it is smaller than the sum of its proper divisors (111689680).

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

90422384 is a wasteful number, since it uses less digits than its factorization.

90422384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 90422384 is about 9509.0685137925. The cubic root of 90422384 is about 448.8404450911.

The spelling of 90422384 in words is "ninety million, four hundred twenty-two thousand, three hundred eighty-four".