3980784 has 40 divisors (see below), whose sum is σ = 10356480. Its totient is φ = 1317568.

The previous prime is 3980761. The next prime is 3980819. The reversal of 3980784 is 4870893.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11299 + ... + 11645.

It is an arithmetic number, because the mean of its divisors is an integer number (258912).

Almost surely, 2^3980784 is an apocalyptic number.

It is an amenable number.

3980784 is an abundant number, since it is smaller than the sum of its proper divisors (6375696).

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

3980784 is a wasteful number, since it uses less digits than its factorization.

3980784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 3980784 is about 1995.1902164957. The cubic root of 3980784 is about 158.4855012329.

The spelling of 3980784 in words is "three million, nine hundred eighty thousand, seven hundred eighty-four".