3990201 has 8 divisors (see below), whose sum is σ = 5551680. Its totient is φ = 2544432.

The previous prime is 3990187. The next prime is 3990241. The reversal of 3990201 is 1020993.

It is a happy number.

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

It is not a de Polignac number, because 3990201 - 2⁵ = 3990169 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3990241) 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 7 ways as a sum of consecutive naturals, for example, 28846 + ... + 28983.

It is an arithmetic number, because the mean of its divisors is an integer number (693960).

Almost surely, 2^3990201 is an apocalyptic number.

It is an amenable number.

3990201 is a deficient number, since it is larger than the sum of its proper divisors (1561479).

3990201 is a wasteful number, since it uses less digits than its factorization.

3990201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57855.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 3990201 is about 1997.5487478407. The cubic root of 3990201 is about 158.6103746791.

The spelling of 3990201 in words is "three million, nine hundred ninety thousand, two hundred one".