3947874 has 16 divisors (see below), whose sum is σ = 9023808. Its totient is φ = 1127952.

The previous prime is 3947861. The next prime is 3947891. The reversal of 3947874 is 4787493.

3947874 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 93997 = 3947874 / (3 + 9 + 4 + 7 + 8 + 7 + 4).

3947874 is strictly pandigital in base 8.

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, 46957 + ... + 47040.

It is an arithmetic number, because the mean of its divisors is an integer number (563988).

Almost surely, 2^3947874 is an apocalyptic number.

3947874 is an abundant number, since it is smaller than the sum of its proper divisors (5075934).

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

3947874 is a wasteful number, since it uses less digits than its factorization.

3947874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94009.

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

The square root of 3947874 is about 1986.9257661020. The cubic root of 3947874 is about 158.0475475123.

The spelling of 3947874 in words is "three million, nine hundred forty-seven thousand, eight hundred seventy-four".