3940860 has 96 divisors (see below), whose sum is σ = 13773312. Its totient is φ = 817920.

The previous prime is 3940841. The next prime is 3940891. The reversal of 3940860 is 680493.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4194 + ... + 5046.

It is an arithmetic number, because the mean of its divisors is an integer number (143472).

Almost surely, 2^3940860 is an apocalyptic number.

3940860 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3940860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6886656).

3940860 is an abundant number, since it is smaller than the sum of its proper divisors (9832452).

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

3940860 is a wasteful number, since it uses less digits than its factorization.

3940860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 3940860 is about 1985.1599431784. The cubic root of 3940860 is about 157.9538935062.

The spelling of 3940860 in words is "three million, nine hundred forty thousand, eight hundred sixty".