3981464 has 16 divisors (see below), whose sum is σ = 7624800. Its totient is φ = 1948192.

The previous prime is 3981463. The next prime is 3981473. The reversal of 3981464 is 4641893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3981463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4919 + ... + 5670.

It is an arithmetic number, because the mean of its divisors is an integer number (476550).

Almost surely, 2^3981464 is an apocalyptic number.

It is an amenable number.

3981464 is a deficient number, since it is larger than the sum of its proper divisors (3643336).

3981464 is a wasteful number, since it uses less digits than its factorization.

3981464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10642 (or 10638 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 3981464 is about 1995.3606190361. The cubic root of 3981464 is about 158.4945249164.

The spelling of 3981464 in words is "three million, nine hundred eighty-one thousand, four hundred sixty-four".