4273889 has 2 divisors, whose sum is σ = 4273890. Its totient is φ = 4273888.

The previous prime is 4273873. The next prime is 4273891. The reversal of 4273889 is 9883724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3478225 + 795664 = 1865^2 + 892^2 .

It is a cyclic number.

It is not a de Polignac number, because 4273889 - 2⁴ = 4273873 is a prime.

It is a super-2 number, since 2×4273889² = 36532254368642, which contains 22 as substring.

Together with 4273891, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4273849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2136944 + 2136945.

It is an arithmetic number, because the mean of its divisors is an integer number (2136945).

Almost surely, 2^4273889 is an apocalyptic number.

It is an amenable number.

4273889 is a deficient number, since it is larger than the sum of its proper divisors (1).

4273889 is an equidigital number, since it uses as much as digits as its factorization.

4273889 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 4273889 is about 2067.3386273177. The cubic root of 4273889 is about 162.2835176476.

The spelling of 4273889 in words is "four million, two hundred seventy-three thousand, eight hundred eighty-nine".