3934943 has 2 divisors, whose sum is σ = 3934944. Its totient is φ = 3934942.

The previous prime is 3934901. The next prime is 3934963. The reversal of 3934943 is 3494393.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3934943 is a prime.

It is a super-3 number, since 3×3934943³ (a number of 21 digits) contains 333 as substring.

It is equal to p₂₇₈₉₀₉ and since 3934943 and 278909 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3934963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1967471 + 1967472.

It is an arithmetic number, because the mean of its divisors is an integer number (1967472).

Almost surely, 2^3934943 is an apocalyptic number.

3934943 is a deficient number, since it is larger than the sum of its proper divisors (1).

3934943 is an equidigital number, since it uses as much as digits as its factorization.

3934943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 35.

The square root of 3934943 is about 1983.6690752240. The cubic root of 3934943 is about 157.8748006740.

The spelling of 3934943 in words is "three million, nine hundred thirty-four thousand, nine hundred forty-three".