3992860 has 24 divisors (see below), whose sum is σ = 8438976. Its totient is φ = 1586880.

The previous prime is 3992843. The next prime is 3992873. The reversal of 3992860 is 682993.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3069 + ... + 4171.

It is an arithmetic number, because the mean of its divisors is an integer number (351624).

Almost surely, 2^3992860 is an apocalyptic number.

It is an amenable number.

3992860 is an abundant number, since it is smaller than the sum of its proper divisors (4446116).

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

3992860 is a wasteful number, since it uses less digits than its factorization.

3992860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293 (or 1291 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 3992860 is about 1998.2142027320. The cubic root of 3992860 is about 158.6455985805.

The spelling of 3992860 in words is "three million, nine hundred ninety-two thousand, eight hundred sixty".