90693284 has 24 divisors (see below), whose sum is σ = 174037248. Its totient is φ = 41011040.

The previous prime is 90693263. The next prime is 90693287. The reversal of 90693284 is 48239609.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (90693287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3437 + ... + 13899.

It is an arithmetic number, because the mean of its divisors is an integer number (7251552).

Almost surely, 2^90693284 is an apocalyptic number.

It is an amenable number.

90693284 is a deficient number, since it is larger than the sum of its proper divisors (83343964).

90693284 is a wasteful number, since it uses less digits than its factorization.

90693284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10675 (or 10673 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 90693284 is about 9523.3021583902. The cubic root of 90693284 is about 449.2882311613.

The spelling of 90693284 in words is "ninety million, six hundred ninety-three thousand, two hundred eighty-four".