3947304 has 16 divisors (see below), whose sum is σ = 9868320. Its totient is φ = 1315760.

The previous prime is 3947299. The next prime is 3947309. The reversal of 3947304 is 4037493.

3947304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3947299) and next prime (3947309).

It is not an unprimeable number, because it can be changed into a prime (3947309) 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 3 ways as a sum of consecutive naturals, for example, 82212 + ... + 82259.

It is an arithmetic number, because the mean of its divisors is an integer number (616770).

Almost surely, 2^3947304 is an apocalyptic number.

It is an amenable number.

3947304 is an abundant number, since it is smaller than the sum of its proper divisors (5921016).

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

3947304 is a wasteful number, since it uses less digits than its factorization.

3947304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164480 (or 164476 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 3947304 is about 1986.7823232554. The cubic root of 3947304 is about 158.0399407651.

The spelling of 3947304 in words is "three million, nine hundred forty-seven thousand, three hundred four".