3874943 has 4 divisors (see below), whose sum is σ = 3940680. Its totient is φ = 3809208.

The previous prime is 3874939. The next prime is 3874957. The reversal of 3874943 is 3494783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3494783 = 547 ⋅6389.

It is a cyclic number.

It is not a de Polignac number, because 3874943 - 2² = 3874939 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3874897 and 3874906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3874933) 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 in 3 ways as a sum of consecutive naturals, for example, 32780 + ... + 32897.

It is an arithmetic number, because the mean of its divisors is an integer number (985170).

Almost surely, 2^3874943 is an apocalyptic number.

3874943 is a deficient number, since it is larger than the sum of its proper divisors (65737).

3874943 is an equidigital number, since it uses as much as digits as its factorization.

3874943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65736.

The product of its digits is 72576, while the sum is 38.

The square root of 3874943 is about 1968.4874904352. The cubic root of 3874943 is about 157.0682624709.

The spelling of 3874943 in words is "three million, eight hundred seventy-four thousand, nine hundred forty-three".