3943750 has 24 divisors (see below), whose sum is σ = 7405776. Its totient is φ = 1575000.

The previous prime is 3943721. The next prime is 3943757. The reversal of 3943750 is 573493.

3943750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943757) 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 11 ways as a sum of consecutive naturals, for example, 5935 + ... + 6565.

It is an arithmetic number, because the mean of its divisors is an integer number (308574).

Almost surely, 2^3943750 is an apocalyptic number.

3943750 is a deficient number, since it is larger than the sum of its proper divisors (3462026).

3943750 is an frugal number, since it uses more digits than its factorization.

3943750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 3943750 is about 1985.8877108236. The cubic root of 3943750 is about 157.9924955043.

The spelling of 3943750 in words is "three million, nine hundred forty-three thousand, seven hundred fifty".