3748289 has 2 divisors, whose sum is σ = 3748290. Its totient is φ = 3748288.

The previous prime is 3748243. The next prime is 3748307. The reversal of 3748289 is 9828473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2666689 + 1081600 = 1633^2 + 1040^2 .

It is an emirp because it is prime and its reverse (9828473) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3748289 - 2⁸ = 3748033 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 3¹² + 7⁷ + 4⁹ + 8³ + 2²¹ + 8⁵ + 9³ .

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3748219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1874144 + 1874145.

It is an arithmetic number, because the mean of its divisors is an integer number (1874145).

Almost surely, 2^3748289 is an apocalyptic number.

It is an amenable number.

3748289 is a deficient number, since it is larger than the sum of its proper divisors (1).

3748289 is an equidigital number, since it uses as much as digits as its factorization.

3748289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 41.

The square root of 3748289 is about 1936.0498443997. The cubic root of 3748289 is about 155.3379929261.

The spelling of 3748289 in words is "three million, seven hundred forty-eight thousand, two hundred eighty-nine".