3831420 has 24 divisors (see below), whose sum is σ = 10728144. Its totient is φ = 1021696.

The previous prime is 3831413. The next prime is 3831427. The reversal of 3831420 is 241383.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3831413) and next prime (3831427).

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, 31869 + ... + 31988.

It is an arithmetic number, because the mean of its divisors is an integer number (447006).

Almost surely, 2^3831420 is an apocalyptic number.

3831420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3831420 is an abundant number, since it is smaller than the sum of its proper divisors (6896724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3831420 is a wasteful number, since it uses less digits than its factorization.

3831420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63869 (or 63867 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3831420 is about 1957.4013385098. The cubic root of 3831420 is about 156.4779882416.

The spelling of 3831420 in words is "three million, eight hundred thirty-one thousand, four hundred twenty".