3940136 has 16 divisors (see below), whose sum is σ = 7499040. Its totient is φ = 1940400.

The previous prime is 3940127. The next prime is 3940147. The reversal of 3940136 is 6310493.

3940136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

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 3 ways as a sum of consecutive naturals, for example, 3140 + ... + 4211.

It is an arithmetic number, because the mean of its divisors is an integer number (468690).

Almost surely, 2^3940136 is an apocalyptic number.

It is an amenable number.

3940136 is a deficient number, since it is larger than the sum of its proper divisors (3558904).

3940136 is a wasteful number, since it uses less digits than its factorization.

3940136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7424 (or 7420 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 3940136 is about 1984.9775817374. The cubic root of 3940136 is about 157.9442200150.

The spelling of 3940136 in words is "three million, nine hundred forty thousand, one hundred thirty-six".