4259889 has 6 divisors (see below), whose sum is σ = 6153186. Its totient is φ = 2839920.

The previous prime is 4259887. The next prime is 4259891. The reversal of 4259889 is 9889524.

It is an interprime number because it is at equal distance from previous prime (4259887) and next prime (4259891).

It can be written as a sum of positive squares in only one way, i.e., 4223025 + 36864 = 2055^2 + 192^2 .

It is not a de Polignac number, because 4259889 - 2¹ = 4259887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4259887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 236652 + ... + 236669.

It is an arithmetic number, because the mean of its divisors is an integer number (1025531).

Almost surely, 2^4259889 is an apocalyptic number.

It is an amenable number.

4259889 is a deficient number, since it is larger than the sum of its proper divisors (1893297).

4259889 is a wasteful number, since it uses less digits than its factorization.

4259889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473327 (or 473324 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 4259889 is about 2063.9498540420. The cubic root of 4259889 is about 162.1061261635.

The spelling of 4259889 in words is "four million, two hundred fifty-nine thousand, eight hundred eighty-nine".