3831855 has 8 divisors (see below), whose sum is σ = 6130992. Its totient is φ = 2043648.

The previous prime is 3831827. The next prime is 3831871. The reversal of 3831855 is 5581383.

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

It is not a de Polignac number, because 3831855 - 2⁷ = 3831727 is a prime.

It is a super-2 number, since 2×3831855² = 29366225482050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127714 + ... + 127743.

It is an arithmetic number, because the mean of its divisors is an integer number (766374).

Almost surely, 2^3831855 is an apocalyptic number.

3831855 is a deficient number, since it is larger than the sum of its proper divisors (2299137).

3831855 is a wasteful number, since it uses less digits than its factorization.

3831855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255465.

The product of its digits is 14400, while the sum is 33.

The square root of 3831855 is about 1957.5124520677. The cubic root of 3831855 is about 156.4839099233.

The spelling of 3831855 in words is "three million, eight hundred thirty-one thousand, eight hundred fifty-five".