3627889 has 2 divisors, whose sum is σ = 3627890. Its totient is φ = 3627888.

The previous prime is 3627863. The next prime is 3627893. The reversal of 3627889 is 9887263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3591025 + 36864 = 1895^2 + 192^2 .

It is a cyclic number.

It is not a de Polignac number, because 3627889 - 2⁵ = 3627857 is a prime.

It is not a weakly prime, because it can be changed into another prime (3627829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1813944 + 1813945.

It is an arithmetic number, because the mean of its divisors is an integer number (1813945).

Almost surely, 2^3627889 is an apocalyptic number.

It is an amenable number.

3627889 is a deficient number, since it is larger than the sum of its proper divisors (1).

3627889 is an equidigital number, since it uses as much as digits as its factorization.

3627889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 3627889 is about 1904.7018139331. The cubic root of 3627889 is about 153.6566392908.

It can be divided in two parts, 36 and 27889, that multiplied together give a square (1004004 = 1002²).

The spelling of 3627889 in words is "three million, six hundred twenty-seven thousand, eight hundred eighty-nine".