3744281 has 4 divisors (see below), whose sum is σ = 3752832. Its totient is φ = 3735732.

The previous prime is 3744263. The next prime is 3744287. The reversal of 3744281 is 1824473.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3744281 - 2⁶ = 3744217 is a prime.

It is a super-2 number, since 2×3744281² = 28039280413922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3744287) 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, 3581 + ... + 4506.

It is an arithmetic number, because the mean of its divisors is an integer number (938208).

Almost surely, 2^3744281 is an apocalyptic number.

It is an amenable number.

3744281 is a deficient number, since it is larger than the sum of its proper divisors (8551).

3744281 is an equidigital number, since it uses as much as digits as its factorization.

3744281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8550.

The product of its digits is 5376, while the sum is 29.

The square root of 3744281 is about 1935.0144702301. The cubic root of 3744281 is about 155.2826061689.

The spelling of 3744281 in words is "three million, seven hundred forty-four thousand, two hundred eighty-one".