90424288 has 12 divisors (see below), whose sum is σ = 178022880. Its totient is φ = 45212128.

The previous prime is 90424259. The next prime is 90424319. The reversal of 90424288 is 88242409.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1412848 + ... + 1412911.

It is an arithmetic number, because the mean of its divisors is an integer number (14835240).

Almost surely, 2^90424288 is an apocalyptic number.

It is an amenable number.

90424288 is a deficient number, since it is larger than the sum of its proper divisors (87598592).

90424288 is a wasteful number, since it uses less digits than its factorization.

90424288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825769 (or 2825761 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 90424288 is about 9509.1686282240. The cubic root of 90424288 is about 448.8435954402.

The spelling of 90424288 in words is "ninety million, four hundred twenty-four thousand, two hundred eighty-eight".