90412 has 12 divisors (see below), whose sum is σ = 180880. Its totient is φ = 38736.

The previous prime is 90407. The next prime is 90437. The reversal of 90412 is 21409.

90412 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 90412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1587 + ... + 1642.

2⁹⁰⁴¹² is an apocalyptic number.

It is an amenable number.

90412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90440).

90412 is a wasteful number, since it uses less digits than its factorization.

90412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240 (or 3238 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 90412 is about 300.6858826084. The cubic root of 90412 is about 44.8823262997.

The spelling of 90412 in words is "ninety thousand, four hundred twelve".