90793297 has 4 divisors (see below), whose sum is σ = 103763776. Its totient is φ = 77822820.

The previous prime is 90793289. The next prime is 90793303. The reversal of 90793297 is 79239709.

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 90793297 - 2³ = 90793289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90793207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6485229 + ... + 6485242.

It is an arithmetic number, because the mean of its divisors is an integer number (25940944).

Almost surely, 2^90793297 is an apocalyptic number.

It is an amenable number.

90793297 is a deficient number, since it is larger than the sum of its proper divisors (12970479).

90793297 is a wasteful number, since it uses less digits than its factorization.

90793297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12970478.

The product of its (nonzero) digits is 214326, while the sum is 46.

The square root of 90793297 is about 9528.5516737855. The cubic root of 90793297 is about 449.4533229763.

The spelling of 90793297 in words is "ninety million, seven hundred ninety-three thousand, two hundred ninety-seven".