3881814 has 32 divisors (see below), whose sum is σ = 8657280. Its totient is φ = 1153152.

The previous prime is 3881807. The next prime is 3881837. The reversal of 3881814 is 4181883.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 937 + ... + 2939.

It is an arithmetic number, because the mean of its divisors is an integer number (270540).

Almost surely, 2^3881814 is an apocalyptic number.

3881814 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3881814 is an abundant number, since it is smaller than the sum of its proper divisors (4775466).

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

3881814 is a wasteful number, since it uses less digits than its factorization.

3881814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044.

The product of its digits is 6144, while the sum is 33.

The square root of 3881814 is about 1970.2319660385. The cubic root of 3881814 is about 157.1610448055.

The spelling of 3881814 in words is "three million, eight hundred eighty-one thousand, eight hundred fourteen".