3939874 has 8 divisors (see below), whose sum is σ = 5922000. Its totient is φ = 1965876.

The previous prime is 3939851. The next prime is 3939899. The reversal of 3939874 is 4789393.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3939874.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624 + ... + 2875.

It is an arithmetic number, because the mean of its divisors is an integer number (740250).

Almost surely, 2^3939874 is an apocalyptic number.

3939874 is a deficient number, since it is larger than the sum of its proper divisors (1982126).

3939874 is a wasteful number, since it uses less digits than its factorization.

3939874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064.

The product of its digits is 163296, while the sum is 43.

The square root of 3939874 is about 1984.9115849327. The cubic root of 3939874 is about 157.9407190950.

The spelling of 3939874 in words is "three million, nine hundred thirty-nine thousand, eight hundred seventy-four".