3855271 has 24 divisors (see below), whose sum is σ = 4883760. Its totient is φ = 3024000.

The previous prime is 3855239. The next prime is 3855287. The reversal of 3855271 is 1725583.

3855271 = T₄₁₃ + T₄₁₄ + ... + T₄₅₃.

It is not a de Polignac number, because 3855271 - 2⁵ = 3855239 is a prime.

It is a super-2 number, since 2×3855271² = 29726228966882, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

Its product of digits (8400) is a multiple of the sum of its prime divisors (168).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3855211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38121 + ... + 38221.

It is an arithmetic number, because the mean of its divisors is an integer number (203490).

Almost surely, 2^3855271 is an apocalyptic number.

3855271 is a deficient number, since it is larger than the sum of its proper divisors (1028489).

3855271 is a wasteful number, since it uses less digits than its factorization.

3855271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 168 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 3855271 is about 1963.4844027901. The cubic root of 3855271 is about 156.8020142173.

The spelling of 3855271 in words is "three million, eight hundred fifty-five thousand, two hundred seventy-one".