90823412 has 12 divisors (see below), whose sum is σ = 165851616. Its totient is φ = 43437240.

The previous prime is 90823409. The next prime is 90823423. The reversal of 90823412 is 21432809.

It is a congruent number.

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, 493514 + ... + 493697.

It is an arithmetic number, because the mean of its divisors is an integer number (13820968).

Almost surely, 2^90823412 is an apocalyptic number.

90823412 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

90823412 is a deficient number, since it is larger than the sum of its proper divisors (75028204).

90823412 is a wasteful number, since it uses less digits than its factorization.

90823412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987238 (or 987236 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 90823412 is about 9530.1317934224. The cubic root of 90823412 is about 449.5030101634.

The spelling of 90823412 in words is "ninety million, eight hundred twenty-three thousand, four hundred twelve".