3943775 has 12 divisors (see below), whose sum is σ = 5335224. Its totient is φ = 2868000.

The previous prime is 3943769. The next prime is 3943777. The reversal of 3943775 is 5773493.

It is not a de Polignac number, because 3943775 - 2¹⁰ = 3942751 is a prime.

It is a super-2 number, since 2×3943775² = 31106722501250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943777) 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, 6896 + ... + 7445.

It is an arithmetic number, because the mean of its divisors is an integer number (444602).

Almost surely, 2^3943775 is an apocalyptic number.

3943775 is a deficient number, since it is larger than the sum of its proper divisors (1391449).

3943775 is a wasteful number, since it uses less digits than its factorization.

3943775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14362 (or 14357 counting only the distinct ones).

The product of its digits is 79380, while the sum is 38.

The square root of 3943775 is about 1985.8940052279. The cubic root of 3943775 is about 157.9928293493.

The spelling of 3943775 in words is "three million, nine hundred forty-three thousand, seven hundred seventy-five".