3881304 has 128 divisors (see below), whose sum is σ = 13132800. Its totient is φ = 1036800.

The previous prime is 3881303. The next prime is 3881323. The reversal of 3881304 is 4031883.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25629 + ... + 25779.

It is an arithmetic number, because the mean of its divisors is an integer number (102600).

Almost surely, 2^3881304 is an apocalyptic number.

3881304 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3881304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6566400).

3881304 is an abundant number, since it is smaller than the sum of its proper divisors (9251496).

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

3881304 is a wasteful number, since it uses less digits than its factorization.

3881304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 3881304 is about 1970.1025354027. The cubic root of 3881304 is about 157.1541617999.

The spelling of 3881304 in words is "three million, eight hundred eighty-one thousand, three hundred four".