90349612 has 12 divisors (see below), whose sum is σ = 164986416. Its totient is φ = 43210640.

The previous prime is 90349607. The next prime is 90349619. The reversal of 90349612 is 21694309.

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

It is not an unprimeable number, because it can be changed into a prime (90349619) 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, 490939 + ... + 491122.

It is an arithmetic number, because the mean of its divisors is an integer number (13748868).

Almost surely, 2^90349612 is an apocalyptic number.

90349612 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

90349612 is a deficient number, since it is larger than the sum of its proper divisors (74636804).

90349612 is a wasteful number, since it uses less digits than its factorization.

90349612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982088 (or 982086 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 90349612 is about 9505.2412909931. The cubic root of 90349612 is about 448.7200037367.

The spelling of 90349612 in words is "ninety million, three hundred forty-nine thousand, six hundred twelve".