3831487 has 8 divisors (see below), whose sum is σ = 4269312. Its totient is φ = 3408600.

The previous prime is 3831473. The next prime is 3831493. The reversal of 3831487 is 7841383.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3831487 is a prime.

It is a Duffinian number.

3831487 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3831427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3189 + ... + 4222.

It is an arithmetic number, because the mean of its divisors is an integer number (533664).

Almost surely, 2^3831487 is an apocalyptic number.

3831487 is a deficient number, since it is larger than the sum of its proper divisors (437825).

3831487 is a wasteful number, since it uses less digits than its factorization.

3831487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7469.

The product of its digits is 16128, while the sum is 34.

The square root of 3831487 is about 1957.4184529630. The cubic root of 3831487 is about 156.4789003459.

The spelling of 3831487 in words is "three million, eight hundred thirty-one thousand, four hundred eighty-seven".