28014259 has 16 divisors (see below), whose sum is σ = 34666240. Its totient is φ = 22044960.

The previous prime is 28014247. The next prime is 28014271. The reversal of 28014259 is 95241082.

It is an interprime number because it is at equal distance from previous prime (28014247) and next prime (28014271).

It is not a de Polignac number, because 28014259 - 2⁷ = 28014131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28014259.

It is not an unprimeable number, because it can be changed into a prime (28014229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18472 + ... + 19930.

It is an arithmetic number, because the mean of its divisors is an integer number (2166640).

Almost surely, 2^28014259 is an apocalyptic number.

28014259 is a deficient number, since it is larger than the sum of its proper divisors (6651981).

28014259 is a wasteful number, since it uses less digits than its factorization.

28014259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 28014259 is about 5292.8497994937. The cubic root of 28014259 is about 303.7104345379.

The spelling of 28014259 in words is "twenty-eight million, fourteen thousand, two hundred fifty-nine".