3831380 has 24 divisors (see below), whose sum is σ = 9195648. Its totient is φ = 1313568.

The previous prime is 3831379. The next prime is 3831413. The reversal of 3831380 is 831383.

It is a congruent 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, 13544 + ... + 13823.

It is an arithmetic number, because the mean of its divisors is an integer number (383152).

Almost surely, 2^3831380 is an apocalyptic number.

It is an amenable number.

3831380 is an abundant number, since it is smaller than the sum of its proper divisors (5364268).

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

3831380 is a wasteful number, since it uses less digits than its factorization.

3831380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27383 (or 27381 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 3831380 is about 1957.3911208545. The cubic root of 3831380 is about 156.4774436966.

The spelling of 3831380 in words is "three million, eight hundred thirty-one thousand, three hundred eighty".