3994870 has 32 divisors (see below), whose sum is σ = 8190720. Its totient is φ = 1388640.

The previous prime is 3994849. The next prime is 3994891. The reversal of 3994870 is 784993.

It is an interprime number because it is at equal distance from previous prime (3994849) and next prime (3994891).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1741 + ... + 3319.

It is an arithmetic number, because the mean of its divisors is an integer number (255960).

Almost surely, 2^3994870 is an apocalyptic number.

3994870 is an abundant number, since it is smaller than the sum of its proper divisors (4195850).

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

3994870 is a wasteful number, since it uses less digits than its factorization.

3994870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 3994870 is about 1998.7170885345. The cubic root of 3994870 is about 158.6722147704.

The spelling of 3994870 in words is "three million, nine hundred ninety-four thousand, eight hundred seventy".