3708889 has 2 divisors, whose sum is σ = 3708890. Its totient is φ = 3708888.

The previous prime is 3708883. The next prime is 3708893. The reversal of 3708889 is 9888073.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3003289 + 705600 = 1733^2 + 840^2 .

It is a cyclic number.

It is not a de Polignac number, because 3708889 - 2²¹ = 1611737 is a prime.

It is a super-2 number, since 2×3708889² = 27511715228642, which contains 22 as substring.

3708889 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3708883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1854444 + 1854445.

It is an arithmetic number, because the mean of its divisors is an integer number (1854445).

Almost surely, 2^3708889 is an apocalyptic number.

It is an amenable number.

3708889 is a deficient number, since it is larger than the sum of its proper divisors (1).

3708889 is an equidigital number, since it uses as much as digits as its factorization.

3708889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 3708889 is about 1925.8476056012. The cubic root of 3708889 is about 154.7917981575.

The spelling of 3708889 in words is "three million, seven hundred eight thousand, eight hundred eighty-nine".