3855255 has 8 divisors (see below), whose sum is σ = 6168432. Its totient is φ = 2056128.

The previous prime is 3855239. The next prime is 3855287. The reversal of 3855255 is 5525583.

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

It is not a de Polignac number, because 3855255 - 2⁴ = 3855239 is a prime.

It is a super-2 number, since 2×3855255² = 29725982230050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128494 + ... + 128523.

It is an arithmetic number, because the mean of its divisors is an integer number (771054).

Almost surely, 2^3855255 is an apocalyptic number.

3855255 is a deficient number, since it is larger than the sum of its proper divisors (2313177).

3855255 is a wasteful number, since it uses less digits than its factorization.

3855255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257025.

The product of its digits is 30000, while the sum is 33.

The square root of 3855255 is about 1963.4803283965. The cubic root of 3855255 is about 156.8017972991.

The spelling of 3855255 in words is "three million, eight hundred fifty-five thousand, two hundred fifty-five".