90002112 has 28 divisors (see below), whose sum is σ = 238131096. Its totient is φ = 30000640.

The previous prime is 90002089. The next prime is 90002117. The reversal of 90002112 is 21120009.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 90002091 and 90002100.

It is not an unprimeable number, because it can be changed into a prime (90002117) 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, 234189 + ... + 234572.

It is an arithmetic number, because the mean of its divisors is an integer number (8504682).

Almost surely, 2^90002112 is an apocalyptic number.

It is an amenable number.

90002112 is an abundant number, since it is smaller than the sum of its proper divisors (148128984).

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

90002112 is a wasteful number, since it uses less digits than its factorization.

90002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468776 (or 468766 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 90002112 is about 9486.9442920258. The cubic root of 90002112 is about 448.1439800827.

The spelling of 90002112 in words is "ninety million, two thousand, one hundred twelve".