90474983 has 8 divisors (see below), whose sum is σ = 93776400. Its totient is φ = 87185728.

The previous prime is 90474977. The next prime is 90475001. The reversal of 90474983 is 38947409.

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 90474983 - 2²² = 86280679 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 (90474913) 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, 13760 + ... + 19242.

It is an arithmetic number, because the mean of its divisors is an integer number (11722050).

Almost surely, 2^90474983 is an apocalyptic number.

90474983 is a deficient number, since it is larger than the sum of its proper divisors (3301417).

90474983 is a wasteful number, since it uses less digits than its factorization.

90474983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6081.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 90474983 is about 9511.8338400121. The cubic root of 90474983 is about 448.9274588786.

The spelling of 90474983 in words is "ninety million, four hundred seventy-four thousand, nine hundred eighty-three".