3984740 has 24 divisors (see below), whose sum is σ = 8639232. Its totient is φ = 1542240.

The previous prime is 3984731. The next prime is 3984751. The reversal of 3984740 is 474893.

It is a self number, because there is not a number n which added to its sum of digits gives 3984740.

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, 2594 + ... + 3833.

It is an arithmetic number, because the mean of its divisors is an integer number (359968).

Almost surely, 2^3984740 is an apocalyptic number.

It is an amenable number.

3984740 is an abundant number, since it is smaller than the sum of its proper divisors (4654492).

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

3984740 is a wasteful number, since it uses less digits than its factorization.

3984740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6467 (or 6465 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 3984740 is about 1996.1813544866. The cubic root of 3984740 is about 158.5379834466.

The spelling of 3984740 in words is "three million, nine hundred eighty-four thousand, seven hundred forty".