90384060 has 48 divisors (see below), whose sum is σ = 272545056. Its totient is φ = 22248192.

The previous prime is 90384059. The next prime is 90384061. The reversal of 90384060 is 6048309.

It is an interprime number because it is at equal distance from previous prime (90384059) and next prime (90384061).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90384061) 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, 57159 + ... + 58718.

It is an arithmetic number, because the mean of its divisors is an integer number (5678022).

Almost surely, 2^90384060 is an apocalyptic number.

It is an amenable number.

90384060 is an abundant number, since it is smaller than the sum of its proper divisors (182160996).

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

90384060 is a wasteful number, since it uses less digits than its factorization.

90384060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115902 (or 115900 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 90384060 is about 9507.0531711987. The cubic root of 90384060 is about 448.7770249836. Note that the first 3 decimals are identical.

The spelling of 90384060 in words is "ninety million, three hundred eighty-four thousand, sixty".