3914943 has 4 divisors (see below), whose sum is σ = 5219928. Its totient is φ = 2609960.

The previous prime is 3914941. The next prime is 3914957. The reversal of 3914943 is 3494193.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3494193 = 3 ⋅1164731.

It is a cyclic number.

It is not a de Polignac number, because 3914943 - 2¹ = 3914941 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3914941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652488 + ... + 652493.

It is an arithmetic number, because the mean of its divisors is an integer number (1304982).

Almost surely, 2^3914943 is an apocalyptic number.

3914943 is a deficient number, since it is larger than the sum of its proper divisors (1304985).

3914943 is a wasteful number, since it uses less digits than its factorization.

3914943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304984.

The product of its digits is 11664, while the sum is 33.

The square root of 3914943 is about 1978.6214898257. The cubic root of 3914943 is about 157.6068712809.

The spelling of 3914943 in words is "three million, nine hundred fourteen thousand, nine hundred forty-three".