3963543 has 16 divisors (see below), whose sum is σ = 5431296. Its totient is φ = 2570400.

The previous prime is 3963539. The next prime is 3963559. The reversal of 3963543 is 3453693.

It is not a de Polignac number, because 3963543 - 2² = 3963539 is a prime.

It is a super-2 number, since 2×3963543² = 31419346225698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3963503) 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, 31146 + ... + 31272.

It is an arithmetic number, because the mean of its divisors is an integer number (339456).

Almost surely, 2^3963543 is an apocalyptic number.

3963543 is a deficient number, since it is larger than the sum of its proper divisors (1467753).

3963543 is a wasteful number, since it uses less digits than its factorization.

3963543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334.

The product of its digits is 29160, while the sum is 33.

The square root of 3963543 is about 1990.8648874296. The cubic root of 3963543 is about 158.2563669014.

The spelling of 3963543 in words is "three million, nine hundred sixty-three thousand, five hundred forty-three".