90938783 has 8 divisors (see below), whose sum is σ = 98347200. Its totient is φ = 83589408.

The previous prime is 90938777. The next prime is 90938789. The reversal of 90938783 is 38783909.

It is an interprime number because it is at equal distance from previous prime (90938777) and next prime (90938789).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90938783 - 2⁴ = 90938767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90938789) 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, 11528 + ... + 17741.

It is an arithmetic number, because the mean of its divisors is an integer number (12293400).

Almost surely, 2^90938783 is an apocalyptic number.

90938783 is a deficient number, since it is larger than the sum of its proper divisors (7408417).

90938783 is a wasteful number, since it uses less digits than its factorization.

90938783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29521.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 90938783 is about 9536.1828317205. The cubic root of 90938783 is about 449.6932609200.

The spelling of 90938783 in words is "ninety million, nine hundred thirty-eight thousand, seven hundred eighty-three".