90984224 has 12 divisors (see below), whose sum is σ = 179125254. Its totient is φ = 45492096.

The previous prime is 90984203. The next prime is 90984227. The reversal of 90984224 is 42248909.

It can be written as a sum of positive squares in only one way, i.e., 87984400 + 2999824 = 9380^2 + 1732^2 .

It is not an unprimeable number, because it can be changed into a prime (90984227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1421597 + ... + 1421660.

Almost surely, 2^90984224 is an apocalyptic number.

It is an amenable number.

90984224 is a deficient number, since it is larger than the sum of its proper divisors (88141030).

90984224 is a wasteful number, since it uses less digits than its factorization.

90984224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843267 (or 2843259 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 90984224 is about 9538.5650912493. The cubic root of 90984224 is about 449.7681505256.

The spelling of 90984224 in words is "ninety million, nine hundred eighty-four thousand, two hundred twenty-four".