90444298 has 32 divisors (see below), whose sum is σ = 163353600. Its totient is φ = 37502640.

The previous prime is 90444287. The next prime is 90444307. The reversal of 90444298 is 89244409.

It is a self number, because there is not a number n which added to its sum of digits gives 90444298.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19140 + ... + 23392.

It is an arithmetic number, because the mean of its divisors is an integer number (5104800).

Almost surely, 2^90444298 is an apocalyptic number.

90444298 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

90444298 is a deficient number, since it is larger than the sum of its proper divisors (72909302).

90444298 is a wasteful number, since it uses less digits than its factorization.

90444298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307 (or 4293 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 90444298 is about 9510.2207124756. The cubic root of 90444298 is about 448.8767012134.

The spelling of 90444298 in words is "ninety million, four hundred forty-four thousand, two hundred ninety-eight".