3980664 has 40 divisors (see below), whose sum is σ = 11151360. Its totient is φ = 1326672.

The previous prime is 3980663. The next prime is 3980687. The reversal of 3980664 is 4660893.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3980663) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2424 + ... + 3719.

It is an arithmetic number, because the mean of its divisors is an integer number (278784).

Almost surely, 2^3980664 is an apocalyptic number.

It is an amenable number.

3980664 is an abundant number, since it is smaller than the sum of its proper divisors (7170696).

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

3980664 is a wasteful number, since it uses less digits than its factorization.

3980664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6161 (or 6148 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 3980664 is about 1995.1601439483. The cubic root of 3980664 is about 158.4839087115.

The spelling of 3980664 in words is "three million, nine hundred eighty thousand, six hundred sixty-four".