90983201 has 4 divisors (see below), whose sum is σ = 96335172. Its totient is φ = 85631232.

The previous prime is 90983197. The next prime is 90983209. The reversal of 90983201 is 10238909.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29376400 + 61606801 = 5420^2 + 7849^2 .

It is a cyclic number.

It is not a de Polignac number, because 90983201 - 2² = 90983197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90983209) 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, 2675960 + ... + 2675993.

It is an arithmetic number, because the mean of its divisors is an integer number (24083793).

Almost surely, 2^90983201 is an apocalyptic number.

It is an amenable number.

90983201 is a deficient number, since it is larger than the sum of its proper divisors (5351971).

90983201 is a wasteful number, since it uses less digits than its factorization.

90983201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5351970.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 90983201 is about 9538.5114666807. The cubic root of 90983201 is about 449.7664648321.

The spelling of 90983201 in words is "ninety million, nine hundred eighty-three thousand, two hundred one".