7990201 has 4 divisors (see below), whose sum is σ = 8041252. Its totient is φ = 7939152.

The previous prime is 7990183. The next prime is 7990231. The reversal of 7990201 is 1020997.

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 705600 + 7284601 = 840^2 + 2699^2 .

It is a cyclic number.

It is not a de Polignac number, because 7990201 - 2¹⁷ = 7859129 is a prime.

It is a Duffinian number.

7990201 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7990201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7990231) 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, 25290 + ... + 25603.

It is an arithmetic number, because the mean of its divisors is an integer number (2010313).

Almost surely, 2^7990201 is an apocalyptic number.

It is an amenable number.

7990201 is a deficient number, since it is larger than the sum of its proper divisors (51051).

7990201 is a wasteful number, since it uses less digits than its factorization.

7990201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51050.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 7990201 is about 2826.6943591411. The cubic root of 7990201 is about 199.9183083035.

The spelling of 7990201 in words is "seven million, nine hundred ninety thousand, two hundred one".