3901271 has 4 divisors (see below), whose sum is σ = 4255944. Its totient is φ = 3546600.

The previous prime is 3901259. The next prime is 3901301. The reversal of 3901271 is 1721093.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3901271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3901201) 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, 177320 + ... + 177341.

It is an arithmetic number, because the mean of its divisors is an integer number (1063986).

Almost surely, 2^3901271 is an apocalyptic number.

3901271 is a deficient number, since it is larger than the sum of its proper divisors (354673).

3901271 is a wasteful number, since it uses less digits than its factorization.

3901271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354672.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 3901271 is about 1975.1635375330. The cubic root of 3901271 is about 157.4231892198.

It can be divided in two parts, 390 and 1271, that added together give a palindrome (1661).

The spelling of 3901271 in words is "three million, nine hundred one thousand, two hundred seventy-one".