3943725 has 12 divisors (see below), whose sum is σ = 6520416. Its totient is φ = 2103280.

The previous prime is 3943721. The next prime is 3943757. The reversal of 3943725 is 5273493.

It is a happy number.

It is not a de Polignac number, because 3943725 - 2² = 3943721 is a prime.

3943725 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26217 + ... + 26366.

It is an arithmetic number, because the mean of its divisors is an integer number (543368).

Almost surely, 2^3943725 is an apocalyptic number.

It is an amenable number.

3943725 is a deficient number, since it is larger than the sum of its proper divisors (2576691).

3943725 is a wasteful number, since it uses less digits than its factorization.

3943725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52596 (or 52591 counting only the distinct ones).

The product of its digits is 22680, while the sum is 33.

The square root of 3943725 is about 1985.8814163993. The cubic root of 3943725 is about 157.9921616578.

The spelling of 3943725 in words is "three million, nine hundred forty-three thousand, seven hundred twenty-five".