90783964 has 12 divisors (see below), whose sum is σ = 159222784. Its totient is φ = 45291744.

The previous prime is 90783929. The next prime is 90783983. The reversal of 90783964 is 46938709.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23004 + ... + 26659.

Almost surely, 2^90783964 is an apocalyptic number.

It is an amenable number.

90783964 is a deficient number, since it is larger than the sum of its proper divisors (68438820).

90783964 is a wasteful number, since it uses less digits than its factorization.

90783964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50124 (or 50122 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 90783964 is about 9528.0619225528. The cubic root of 90783964 is about 449.4379220905.

The spelling of 90783964 in words is "ninety million, seven hundred eighty-three thousand, nine hundred sixty-four".