90635384 has 16 divisors (see below), whose sum is σ = 194218800. Its totient is φ = 38843712.

The previous prime is 90635383. The next prime is 90635393. The reversal of 90635384 is 48353609.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90635383) 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, 809189 + ... + 809300.

It is an arithmetic number, because the mean of its divisors is an integer number (12138675).

Almost surely, 2^90635384 is an apocalyptic number.

It is an amenable number.

90635384 is an abundant number, since it is smaller than the sum of its proper divisors (103583416).

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

90635384 is a wasteful number, since it uses less digits than its factorization.

90635384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618502 (or 1618498 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 90635384 is about 9520.2617611072. The cubic root of 90635384 is about 449.1925999478.

It can be divided in two parts, 90635 and 384, that added together give a palindrome (91019).

The spelling of 90635384 in words is "ninety million, six hundred thirty-five thousand, three hundred eighty-four".