90783306 has 12 divisors (see below), whose sum is σ = 196697202. Its totient is φ = 30261096.

The previous prime is 90783299. The next prime is 90783337. The reversal of 90783306 is 60338709.

It can be written as a sum of positive squares in only one way, i.e., 56385081 + 34398225 = 7509^2 + 5865^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2521741 + ... + 2521776.

Almost surely, 2^90783306 is an apocalyptic number.

90783306 is an abundant number, since it is smaller than the sum of its proper divisors (105913896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90783306 is a wasteful number, since it uses less digits than its factorization.

90783306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5043525 (or 5043522 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 90783306 is about 9528.0273929077. The cubic root of 90783306 is about 449.4368362494.

The spelling of 90783306 in words is "ninety million, seven hundred eighty-three thousand, three hundred six".