3942860 has 24 divisors (see below), whose sum is σ = 8346240. Its totient is φ = 1564544.

The previous prime is 3942839. The next prime is 3942871. The reversal of 3942860 is 682493.

3942860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3942860² = 31092289959200, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2021 + ... + 3459.

It is an arithmetic number, because the mean of its divisors is an integer number (347760).

Almost surely, 2^3942860 is an apocalyptic number.

It is an amenable number.

3942860 is an abundant number, since it is smaller than the sum of its proper divisors (4403380).

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

3942860 is a wasteful number, since it uses less digits than its factorization.

3942860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585 (or 1583 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 3942860 is about 1985.6636170308. The cubic root of 3942860 is about 157.9806097019.

The spelling of 3942860 in words is "three million, nine hundred forty-two thousand, eight hundred sixty".