3943534 has 32 divisors (see below), whose sum is σ = 7266816. Its totient is φ = 1568160.

The previous prime is 3943531. The next prime is 3943543. The reversal of 3943534 is 4353493.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3943496 and 3943505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11749 + ... + 12079.

It is an arithmetic number, because the mean of its divisors is an integer number (227088).

Almost surely, 2^3943534 is an apocalyptic number.

3943534 is a deficient number, since it is larger than the sum of its proper divisors (3323282).

3943534 is a wasteful number, since it uses less digits than its factorization.

3943534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400.

The product of its digits is 19440, while the sum is 31.

The square root of 3943534 is about 1985.8333263393. The cubic root of 3943534 is about 157.9896110244.

The spelling of 3943534 in words is "three million, nine hundred forty-three thousand, five hundred thirty-four".