3891201 has 8 divisors (see below), whose sum is σ = 5204160. Its totient is φ = 2586192.

The previous prime is 3891197. The next prime is 3891203. The reversal of 3891201 is 1021983.

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

It is not a de Polignac number, because 3891201 - 2² = 3891197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3891203) 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, 730 + ... + 2883.

It is an arithmetic number, because the mean of its divisors is an integer number (650520).

It is a Proth number, since it is equal to 475 ⋅ 2¹³ + 1 and 475 < 2¹³.

Almost surely, 2^3891201 is an apocalyptic number.

It is an amenable number.

3891201 is a deficient number, since it is larger than the sum of its proper divisors (1312959).

3891201 is a wasteful number, since it uses less digits than its factorization.

3891201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975.

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

The square root of 3891201 is about 1972.6127344210. The cubic root of 3891201 is about 157.2876250724.

The spelling of 3891201 in words is "three million, eight hundred ninety-one thousand, two hundred one".