28214879 has 16 divisors (see below), whose sum is σ = 35759616. Its totient is φ = 21621600.

The previous prime is 28214873. The next prime is 28214933. The reversal of 28214879 is 97841282.

It is not a de Polignac number, because 28214879 - 2²⁰ = 27166303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28214873) 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, 1694 + ... + 7700.

It is an arithmetic number, because the mean of its divisors is an integer number (2234976).

Almost surely, 2^28214879 is an apocalyptic number.

28214879 is a deficient number, since it is larger than the sum of its proper divisors (7544737).

28214879 is a wasteful number, since it uses less digits than its factorization.

28214879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6086.

The product of its digits is 64512, while the sum is 41.

The square root of 28214879 is about 5311.7679730952. The cubic root of 28214879 is about 304.4337033001.

The spelling of 28214879 in words is "twenty-eight million, two hundred fourteen thousand, eight hundred seventy-nine".