90468391 has 8 divisors (see below), whose sum is σ = 97503840. Its totient is φ = 83443872.

The previous prime is 90468383. The next prime is 90468397. The reversal of 90468391 is 19386409.

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 90468391 - 2³ = 90468383 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 (90468397) 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, 24801 + ... + 28213.

It is an arithmetic number, because the mean of its divisors is an integer number (12187980).

Almost surely, 2^90468391 is an apocalyptic number.

90468391 is a deficient number, since it is larger than the sum of its proper divisors (7035449).

90468391 is a wasteful number, since it uses less digits than its factorization.

90468391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5465.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 90468391 is about 9511.4873179750. The cubic root of 90468391 is about 448.9165556743.

The spelling of 90468391 in words is "ninety million, four hundred sixty-eight thousand, three hundred ninety-one".