3743643 has 4 divisors (see below), whose sum is σ = 4991528. Its totient is φ = 2495760.

The previous prime is 3743599. The next prime is 3743647. The reversal of 3743643 is 3463473.

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

It is not a de Polignac number, because 3743643 - 2¹⁴ = 3727259 is a prime.

It is a super-2 number, since 2×3743643² = 28029725822898, which contains 22 as substring.

It is a D-number.

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 3743643.

It is not an unprimeable number, because it can be changed into a prime (3743647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623938 + ... + 623943.

It is an arithmetic number, because the mean of its divisors is an integer number (1247882).

Almost surely, 2^3743643 is an apocalyptic number.

3743643 is a deficient number, since it is larger than the sum of its proper divisors (1247885).

3743643 is a wasteful number, since it uses less digits than its factorization.

3743643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247884.

The product of its digits is 18144, while the sum is 30.

The square root of 3743643 is about 1934.8496065586. The cubic root of 3743643 is about 155.2737859682.

The spelling of 3743643 in words is "three million, seven hundred forty-three thousand, six hundred forty-three".