90538283 has 4 divisors (see below), whose sum is σ = 98769048. Its totient is φ = 82307520.

The previous prime is 90538271. The next prime is 90538303. The reversal of 90538283 is 38283509.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90538283 - 2⁴ = 90538267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90538183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4115366 + ... + 4115387.

It is an arithmetic number, because the mean of its divisors is an integer number (24692262).

Almost surely, 2^90538283 is an apocalyptic number.

90538283 is a deficient number, since it is larger than the sum of its proper divisors (8230765).

90538283 is a wasteful number, since it uses less digits than its factorization.

90538283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8230764.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 90538283 is about 9515.1606922847. The cubic root of 90538283 is about 449.0321304778.

The spelling of 90538283 in words is "ninety million, five hundred thirty-eight thousand, two hundred eighty-three".