3942873 has 12 divisors (see below), whose sum is σ = 6213168. Its totient is φ = 2389560.

The previous prime is 3942871. The next prime is 3942889. The reversal of 3942873 is 3782493.

It is not a de Polignac number, because 3942873 - 2¹ = 3942871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3942871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19815 + ... + 20012.

It is an arithmetic number, because the mean of its divisors is an integer number (517764).

Almost surely, 2^3942873 is an apocalyptic number.

3942873 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3942873 is a deficient number, since it is larger than the sum of its proper divisors (2270295).

3942873 is a wasteful number, since it uses less digits than its factorization.

3942873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39844 (or 39841 counting only the distinct ones).

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

The square root of 3942873 is about 1985.6668904930. Note that the first 3 decimals coincide. The cubic root of 3942873 is about 157.9807833276.

The spelling of 3942873 in words is "three million, nine hundred forty-two thousand, eight hundred seventy-three".