90969183 has 16 divisors (see below), whose sum is σ = 136783360. Its totient is φ = 59739768.

The previous prime is 90969161. The next prime is 90969223. The reversal of 90969183 is 38196909.

It is not a de Polignac number, because 90969183 - 2¹⁰ = 90968159 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 (90969103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23335 + ... + 26952.

It is an arithmetic number, because the mean of its divisors is an integer number (8548960).

Almost surely, 2^90969183 is an apocalyptic number.

90969183 is a deficient number, since it is larger than the sum of its proper divisors (45814177).

90969183 is a wasteful number, since it uses less digits than its factorization.

90969183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50363 (or 50357 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 90969183 is about 9537.7766277052. The cubic root of 90969183 is about 449.7433647797.

The spelling of 90969183 in words is "ninety million, nine hundred sixty-nine thousand, one hundred eighty-three".