3828531 has 16 divisors (see below), whose sum is σ = 6023168. Its totient is φ = 2116800.

The previous prime is 3828523. The next prime is 3828571. The reversal of 3828531 is 1358283.

It is a happy number.

It is not a de Polignac number, because 3828531 - 2³ = 3828523 is a prime.

It is a super-2 number, since 2×3828531² = 29315299235922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3828521) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2290 + ... + 3591.

It is an arithmetic number, because the mean of its divisors is an integer number (376448).

Almost surely, 2^3828531 is an apocalyptic number.

3828531 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3828531 is a deficient number, since it is larger than the sum of its proper divisors (2194637).

3828531 is a wasteful number, since it uses less digits than its factorization.

3828531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5922.

The product of its digits is 5760, while the sum is 30.

The square root of 3828531 is about 1956.6632311157. The cubic root of 3828531 is about 156.4386487296.

The spelling of 3828531 in words is "three million, eight hundred twenty-eight thousand, five hundred thirty-one".