3855231 has 12 divisors (see below), whose sum is σ = 5761080. Its totient is φ = 2481360.

The previous prime is 3855223. The next prime is 3855239. The reversal of 3855231 is 1325583.

It is an interprime number because it is at equal distance from previous prime (3855223) and next prime (3855239).

It is not a de Polignac number, because 3855231 - 2³ = 3855223 is a prime.

It is a super-2 number, since 2×3855231² = 29725612126722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3855195 and 3855204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3855239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7125 + ... + 7646.

It is an arithmetic number, because the mean of its divisors is an integer number (480090).

Almost surely, 2^3855231 is an apocalyptic number.

3855231 is a deficient number, since it is larger than the sum of its proper divisors (1905849).

3855231 is a wasteful number, since it uses less digits than its factorization.

3855231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14806 (or 14803 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 3855231 is about 1963.4742167902. The cubic root of 3855231 is about 156.8014719206.

It can be divided in two parts, 38552 and 31, that added together give a palindrome (38583).

The spelling of 3855231 in words is "three million, eight hundred fifty-five thousand, two hundred thirty-one".