90239353 has 4 divisors (see below), whose sum is σ = 90263680. Its totient is φ = 90215028.

The previous prime is 90239351. The next prime is 90239363. The reversal of 90239353 is 35393209.

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 90239353 - 2¹ = 90239351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90239351) 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, 5313 + ... + 14446.

It is an arithmetic number, because the mean of its divisors is an integer number (22565920).

Almost surely, 2^90239353 is an apocalyptic number.

It is an amenable number.

90239353 is a deficient number, since it is larger than the sum of its proper divisors (24327).

90239353 is a wasteful number, since it uses less digits than its factorization.

90239353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24326.

The product of its (nonzero) digits is 21870, while the sum is 34.

The square root of 90239353 is about 9499.4396150510. The cubic root of 90239353 is about 448.5373962066.

The spelling of 90239353 in words is "ninety million, two hundred thirty-nine thousand, three hundred fifty-three".