3978324 has 36 divisors (see below), whose sum is σ = 11493664. Its totient is φ = 1136592.

The previous prime is 3978301. The next prime is 3978329. The reversal of 3978324 is 4238793.

3978324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3978329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7642 + ... + 8145.

Almost surely, 2^3978324 is an apocalyptic number.

It is an amenable number.

3978324 is an abundant number, since it is smaller than the sum of its proper divisors (7515340).

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

3978324 is a wasteful number, since it uses less digits than its factorization.

3978324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15804 (or 15799 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 3978324 is about 1994.5736386506. The cubic root of 3978324 is about 158.4528481449.

The spelling of 3978324 in words is "three million, nine hundred seventy-eight thousand, three hundred twenty-four".