90671412 has 24 divisors (see below), whose sum is σ = 227841376. Its totient is φ = 27898848.

The previous prime is 90671411. The next prime is 90671419. The reversal of 90671412 is 21417609.

It is a happy number.

90671412 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

90671412 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 90671412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90671411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290458 + ... + 290769.

Almost surely, 2^90671412 is an apocalyptic number.

It is an amenable number.

90671412 is an abundant number, since it is smaller than the sum of its proper divisors (137169964).

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

90671412 is a wasteful number, since it uses less digits than its factorization.

90671412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581247 (or 581245 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 90671412 is about 9522.1537479711. The cubic root of 90671412 is about 449.2521108011.

The spelling of 90671412 in words is "ninety million, six hundred seventy-one thousand, four hundred twelve".