90395293 has 4 divisors (see below), whose sum is σ = 95152960. Its totient is φ = 85637628.

The previous prime is 90395281. The next prime is 90395309. The reversal of 90395293 is 39259309.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90395293 - 2¹⁷ = 90264221 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 (90392293) 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, 2378805 + ... + 2378842.

It is an arithmetic number, because the mean of its divisors is an integer number (23788240).

Almost surely, 2^90395293 is an apocalyptic number.

It is an amenable number.

90395293 is a deficient number, since it is larger than the sum of its proper divisors (4757667).

90395293 is a wasteful number, since it uses less digits than its factorization.

90395293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4757666.

The product of its (nonzero) digits is 65610, while the sum is 40.

The square root of 90395293 is about 9507.6439247586. The cubic root of 90395293 is about 448.7956156639.

The spelling of 90395293 in words is "ninety million, three hundred ninety-five thousand, two hundred ninety-three".