3974784 has 64 divisors (see below), whose sum is σ = 11530080. Its totient is φ = 1203200.

The previous prime is 3974783. The next prime is 3974797. The reversal of 3974784 is 4874793.

It is a tau number, because it is divible by the number of its divisors (64).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3974783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3754 + ... + 4694.

Almost surely, 2^3974784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3974784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5765040).

3974784 is an abundant number, since it is smaller than the sum of its proper divisors (7555296).

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

3974784 is a wasteful number, since it uses less digits than its factorization.

3974784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969 (or 957 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 3974784 is about 1993.6860334566. The cubic root of 3974784 is about 158.4058359242.

Subtracting 3974784 from its reverse (4874793), we obtain a palindrome (900009).

The spelling of 3974784 in words is "three million, nine hundred seventy-four thousand, seven hundred eighty-four".