3837381 has 16 divisors (see below), whose sum is σ = 5311488. Its totient is φ = 2462400.

The previous prime is 3837377. The next prime is 3837401. The reversal of 3837381 is 1837383.

It is not a de Polignac number, because 3837381 - 2² = 3837377 is a prime.

It is a super-2 number, since 2×3837381² = 29450985878322, which contains 22 as substring.

3837381 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3837311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19996 + ... + 20186.

It is an arithmetic number, because the mean of its divisors is an integer number (331968).

Almost surely, 2^3837381 is an apocalyptic number.

It is an amenable number.

3837381 is a deficient number, since it is larger than the sum of its proper divisors (1474107).

3837381 is a wasteful number, since it uses less digits than its factorization.

3837381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412.

The product of its digits is 12096, while the sum is 33.

The square root of 3837381 is about 1958.9234288251. The cubic root of 3837381 is about 156.5590967224.

The spelling of 3837381 in words is "three million, eight hundred thirty-seven thousand, three hundred eighty-one".