90869112 has 24 divisors (see below), whose sum is σ = 246104040. Its totient is φ = 30289680.

The previous prime is 90869111. The next prime is 90869123. The reversal of 90869112 is 21196809.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90869111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 630964 + ... + 631107.

It is an arithmetic number, because the mean of its divisors is an integer number (10254335).

Almost surely, 2^90869112 is an apocalyptic number.

It is an amenable number.

90869112 is an abundant number, since it is smaller than the sum of its proper divisors (155234928).

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

90869112 is a wasteful number, since it uses less digits than its factorization.

90869112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262083 (or 1262076 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 90869112 is about 9532.5291502308. The cubic root of 90869112 is about 449.5783902980.

The spelling of 90869112 in words is "ninety million, eight hundred sixty-nine thousand, one hundred twelve".