3812943 has 4 divisors (see below), whose sum is σ = 5083928. Its totient is φ = 2541960.

The previous prime is 3812923. The next prime is 3812951. The reversal of 3812943 is 3492183.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3812943 - 2⁵ = 3812911 is a prime.

It is a D-number.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3812943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3812923) 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, 635488 + ... + 635493.

It is an arithmetic number, because the mean of its divisors is an integer number (1270982).

Almost surely, 2^3812943 is an apocalyptic number.

3812943 is a deficient number, since it is larger than the sum of its proper divisors (1270985).

3812943 is a wasteful number, since it uses less digits than its factorization.

3812943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270984.

The product of its digits is 5184, while the sum is 30.

The square root of 3812943 is about 1952.6758563571. The cubic root of 3812943 is about 156.2260447542.

The spelling of 3812943 in words is "three million, eight hundred twelve thousand, nine hundred forty-three".