3912860 has 48 divisors (see below), whose sum is σ = 9891840. Its totient is φ = 1270080.

The previous prime is 3912859. The next prime is 3912877. The reversal of 3912860 is 682193.

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 15 ways as a sum of consecutive naturals, for example, 1925 + ... + 3395.

It is an arithmetic number, because the mean of its divisors is an integer number (206080).

Almost surely, 2^3912860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3912860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4945920).

3912860 is an abundant number, since it is smaller than the sum of its proper divisors (5978980).

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

3912860 is a wasteful number, since it uses less digits than its factorization.

3912860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506 (or 1504 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 3912860 is about 1978.0950432171. The cubic root of 3912860 is about 157.5789140109.

It can be divided in two parts, 391 and 2860, that multiplied together give a triangular number (1118260 = T₁₄₉₅).

The spelling of 3912860 in words is "three million, nine hundred twelve thousand, eight hundred sixty".