90589412 has 12 divisors (see below), whose sum is σ = 158791920. Its totient is φ = 45220296.

The previous prime is 90589381. The next prime is 90589439. The reversal of 90589412 is 21498509.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15818 + ... + 20769.

It is an arithmetic number, because the mean of its divisors is an integer number (13232660).

Almost surely, 2^90589412 is an apocalyptic number.

It is an amenable number.

90589412 is a deficient number, since it is larger than the sum of its proper divisors (68202508).

90589412 is a wasteful number, since it uses less digits than its factorization.

90589412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37210 (or 37208 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 90589412 is about 9517.8470254570. The cubic root of 90589412 is about 449.1166407448.

The spelling of 90589412 in words is "ninety million, five hundred eighty-nine thousand, four hundred twelve".