3731489 has 2 divisors, whose sum is σ = 3731490. Its totient is φ = 3731488.

The previous prime is 3731477. The next prime is 3731491. The reversal of 3731489 is 9841373.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2907025 + 824464 = 1705^2 + 908^2 .

It is a cyclic number.

It is not a de Polignac number, because 3731489 - 2⁴ = 3731473 is a prime.

It is a Sophie Germain prime.

Together with 3731491, 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 (3731089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1865744 + 1865745.

It is an arithmetic number, because the mean of its divisors is an integer number (1865745).

Almost surely, 2^3731489 is an apocalyptic number.

It is an amenable number.

3731489 is a deficient number, since it is larger than the sum of its proper divisors (1).

3731489 is an equidigital number, since it uses as much as digits as its factorization.

3731489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 3731489 is about 1931.7062406070. The cubic root of 3731489 is about 155.1055680413.

The spelling of 3731489 in words is "three million, seven hundred thirty-one thousand, four hundred eighty-nine".