3744289 has 4 divisors (see below), whose sum is σ = 3845524. Its totient is φ = 3643056.

The previous prime is 3744287. The next prime is 3744313. The reversal of 3744289 is 9824473.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9824473 = 23 ⋅427151.

It can be written as a sum of positive squares in 2 ways, for example, as 3359889 + 384400 = 1833^2 + 620^2 .

It is a cyclic number.

It is not a de Polignac number, because 3744289 - 2¹ = 3744287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 101197 = 3744289 / (3 + 7 + 4 + 4 + 2 + 8 + 9).

It is a d-powerful number, because it can be written as 3¹² + 7³ + 4⁸ + 4¹⁰ + 2²¹ + 8³ + 9³ .

It is a Duffinian number.

3744289 is a lucky 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, 50562 + ... + 50635.

It is an arithmetic number, because the mean of its divisors is an integer number (961381).

Almost surely, 2^3744289 is an apocalyptic number.

It is an amenable number.

3744289 is a deficient number, since it is larger than the sum of its proper divisors (101235).

3744289 is a wasteful number, since it uses less digits than its factorization.

3744289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101234.

The product of its digits is 48384, while the sum is 37.

The square root of 3744289 is about 1935.0165373970. The cubic root of 3744289 is about 155.2827167607.

The spelling of 3744289 in words is "three million, seven hundred forty-four thousand, two hundred eighty-nine".