3744643 has 4 divisors (see below), whose sum is σ = 4279600. Its totient is φ = 3209688.

The previous prime is 3744623. The next prime is 3744647. The reversal of 3744643 is 3464473.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3744643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3744647) 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, 267468 + ... + 267481.

It is an arithmetic number, because the mean of its divisors is an integer number (1069900).

Almost surely, 2^3744643 is an apocalyptic number.

3744643 is a deficient number, since it is larger than the sum of its proper divisors (534957).

3744643 is an equidigital number, since it uses as much as digits as its factorization.

3744643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534956.

The product of its digits is 24192, while the sum is 31.

The square root of 3744643 is about 1935.1080073216. The cubic root of 3744643 is about 155.2876102887.

The spelling of 3744643 in words is "three million, seven hundred forty-four thousand, six hundred forty-three".