3831355 has 8 divisors (see below), whose sum is σ = 5015664. Its totient is φ = 2786400.

The previous prime is 3831329. The next prime is 3831379. The reversal of 3831355 is 5531383.

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

It is not a de Polignac number, because 3831355 - 2⁹ = 3830843 is a prime.

It is a super-2 number, since 2×3831355² = 29358562272050, which contains 22 as substring.

It is a Duffinian 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, 34776 + ... + 34885.

It is an arithmetic number, because the mean of its divisors is an integer number (626958).

Almost surely, 2^3831355 is an apocalyptic number.

3831355 is a deficient number, since it is larger than the sum of its proper divisors (1184309).

3831355 is a wasteful number, since it uses less digits than its factorization.

3831355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69677.

The product of its digits is 5400, while the sum is 28.

The square root of 3831355 is about 1957.3847347928. The cubic root of 3831355 is about 156.4771033541.

Adding to 3831355 its sum of digits (28), we get a palindrome (3831383).

It can be divided in two parts, 3831 and 355, that added together give a triangular number (4186 = T₉₁).

The spelling of 3831355 in words is "three million, eight hundred thirty-one thousand, three hundred fifty-five".