3724289 has 2 divisors, whose sum is σ = 3724290. Its totient is φ = 3724288.

The previous prime is 3724277. The next prime is 3724291. The reversal of 3724289 is 9824273.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2265025 + 1459264 = 1505^2 + 1208^2 .

It is a cyclic number.

It is not a de Polignac number, because 3724289 - 2⁸ = 3724033 is a prime.

It is a Sophie Germain prime.

Together with 3724291, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3724249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1862144 + 1862145.

It is an arithmetic number, because the mean of its divisors is an integer number (1862145).

Almost surely, 2^3724289 is an apocalyptic number.

It is an amenable number.

3724289 is a deficient number, since it is larger than the sum of its proper divisors (1).

3724289 is an equidigital number, since it uses as much as digits as its factorization.

3724289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 3724289 is about 1929.8417033529. The cubic root of 3724289 is about 155.0057438038.

The spelling of 3724289 in words is "three million, seven hundred twenty-four thousand, two hundred eighty-nine".