3943201 has 8 divisors (see below), whose sum is σ = 4288680. Its totient is φ = 3610368.

The previous prime is 3943193. The next prime is 3943207. The reversal of 3943201 is 1023493.

It can be written as a sum of positive squares in 4 ways, for example, as 1537600 + 2405601 = 1240^2 + 1551^2 .

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 3943201 - 2³ = 3943193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3943207) 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, 2506 + ... + 3763.

It is an arithmetic number, because the mean of its divisors is an integer number (536085).

Almost surely, 2^3943201 is an apocalyptic number.

It is an amenable number.

3943201 is a deficient number, since it is larger than the sum of its proper divisors (345479).

3943201 is a wasteful number, since it uses less digits than its factorization.

3943201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6323.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 3943201 is about 1985.7494806747. The cubic root of 3943201 is about 157.9851639117.

Adding to 3943201 its reverse (1023493), we get a palindrome (4966694).

The spelling of 3943201 in words is "three million, nine hundred forty-three thousand, two hundred one".