90009384 has 32 divisors (see below), whose sum is σ = 236868000. Its totient is φ = 28423872.

The previous prime is 90009377. The next prime is 90009389. The reversal of 90009384 is 48390009.

It is not an unprimeable number, because it can be changed into a prime (90009389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98239 + ... + 99150.

It is an arithmetic number, because the mean of its divisors is an integer number (7402125).

Almost surely, 2^90009384 is an apocalyptic number.

It is an amenable number.

90009384 is an abundant number, since it is smaller than the sum of its proper divisors (146858616).

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

90009384 is a wasteful number, since it uses less digits than its factorization.

90009384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197417 (or 197413 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 90009384 is about 9487.3275478398. The cubic root of 90009384 is about 448.1560494856.

The spelling of 90009384 in words is "ninety million, nine thousand, three hundred eighty-four".