3940988 has 12 divisors (see below), whose sum is σ = 6958560. Its totient is φ = 1952832.

The previous prime is 3940987. The next prime is 3941011. The reversal of 3940988 is 8890493.

3940988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3940988² = 31062772832288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3940987) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3908 + ... + 4811.

It is an arithmetic number, because the mean of its divisors is an integer number (579880).

Almost surely, 2^3940988 is an apocalyptic number.

It is an amenable number.

3940988 is a deficient number, since it is larger than the sum of its proper divisors (3017572).

3940988 is a wasteful number, since it uses less digits than its factorization.

3940988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8836 (or 8834 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 3940988 is about 1985.1921821325. The cubic root of 3940988 is about 157.9556036134.

The spelling of 3940988 in words is "three million, nine hundred forty thousand, nine hundred eighty-eight".