3981304 has 8 divisors (see below), whose sum is σ = 7464960. Its totient is φ = 1990648.

The previous prime is 3981301. The next prime is 3981331. The reversal of 3981304 is 4031893.

It is a tau number, because it is divible by the number of its divisors (8).

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3981301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248824 + ... + 248839.

It is an arithmetic number, because the mean of its divisors is an integer number (933120).

Almost surely, 2^3981304 is an apocalyptic number.

It is an amenable number.

3981304 is a deficient number, since it is larger than the sum of its proper divisors (3483656).

3981304 is a wasteful number, since it uses less digits than its factorization.

3981304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497669 (or 497665 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 3981304 is about 1995.3205256299. The cubic root of 3981304 is about 158.4924017892.

The spelling of 3981304 in words is "three million, nine hundred eighty-one thousand, three hundred four".