3946040 has 64 divisors (see below), whose sum is σ = 10756800. Its totient is φ = 1271808.

The previous prime is 3946039. The next prime is 3946051. The reversal of 3946040 is 406493.

3946040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 11.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4346 + ... + 5174.

It is an arithmetic number, because the mean of its divisors is an integer number (168075).

Almost surely, 2^3946040 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 3946040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5378400).

3946040 is an abundant number, since it is smaller than the sum of its proper divisors (6810760).

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

3946040 is a wasteful number, since it uses less digits than its factorization.

3946040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 3946040 is about 1986.4641954991. The cubic root of 3946040 is about 158.0230698568.

The spelling of 3946040 in words is "three million, nine hundred forty-six thousand, forty".