90333785 has 16 divisors (see below), whose sum is σ = 109735680. Its totient is φ = 71383680.

The previous prime is 90333769. The next prime is 90333791. The reversal of 90333785 is 58733309.

It is not a de Polignac number, because 90333785 - 2⁴ = 90333769 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 220661 + ... + 221069.

It is an arithmetic number, because the mean of its divisors is an integer number (6858480).

Almost surely, 2^90333785 is an apocalyptic number.

It is an amenable number.

90333785 is a deficient number, since it is larger than the sum of its proper divisors (19401895).

90333785 is a wasteful number, since it uses less digits than its factorization.

90333785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 90333785 is about 9504.4087138548. The cubic root of 90333785 is about 448.6938006866.

The spelling of 90333785 in words is "ninety million, three hundred thirty-three thousand, seven hundred eighty-five".