90312801 has 8 divisors (see below), whose sum is σ = 120529344. Its totient is φ = 60152400.

The previous prime is 90312799. The next prime is 90312809. The reversal of 90312801 is 10821309.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90312801 - 2¹ = 90312799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90312809) 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, 10125 + ... + 16826.

It is an arithmetic number, because the mean of its divisors is an integer number (15066168).

Almost surely, 2^90312801 is an apocalyptic number.

It is an amenable number.

90312801 is a deficient number, since it is larger than the sum of its proper divisors (30216543).

90312801 is a wasteful number, since it uses less digits than its factorization.

90312801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28071.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 90312801 is about 9503.3047409835. The cubic root of 90312801 is about 448.6590550306.

The spelling of 90312801 in words is "ninety million, three hundred twelve thousand, eight hundred one".