90938284 has 6 divisors (see below), whose sum is σ = 159142004. Its totient is φ = 45469140.

The previous prime is 90938273. The next prime is 90938303. The reversal of 90938284 is 48283909.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 90938284.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11367282 + ... + 11367289.

Almost surely, 2^90938284 is an apocalyptic number.

It is an amenable number.

90938284 is a deficient number, since it is larger than the sum of its proper divisors (68203720).

90938284 is a wasteful number, since it uses less digits than its factorization.

90938284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22734575 (or 22734573 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 90938284 is about 9536.1566681761. The cubic root of 90938284 is about 449.6924383984.

It can be divided in two parts, 909 and 38284, that added together give a palindrome (39193).

The spelling of 90938284 in words is "ninety million, nine hundred thirty-eight thousand, two hundred eighty-four".