90869284 has 48 divisors (see below), whose sum is σ = 188225856. Its totient is φ = 37913600.

The previous prime is 90869269. The next prime is 90869287. The reversal of 90869284 is 48296809.

It is not an unprimeable number, because it can be changed into a prime (90869287) 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, 29187 + ... + 32149.

It is an arithmetic number, because the mean of its divisors is an integer number (3921372).

Almost surely, 2^90869284 is an apocalyptic number.

It is an amenable number.

90869284 is an abundant number, since it is smaller than the sum of its proper divisors (97356572).

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

90869284 is a wasteful number, since it uses less digits than its factorization.

90869284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036 (or 3034 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 90869284 is about 9532.5381719666. The cubic root of 90869284 is about 449.5786739567.

The spelling of 90869284 in words is "ninety million, eight hundred sixty-nine thousand, two hundred eighty-four".