28259124 has 12 divisors (see below), whose sum is σ = 65937984. Its totient is φ = 9419704.

The previous prime is 28259113. The next prime is 28259159. The reversal of 28259124 is 42195282.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1177452 + ... + 1177475.

It is an arithmetic number, because the mean of its divisors is an integer number (5494832).

Almost surely, 2^28259124 is an apocalyptic number.

It is an amenable number.

28259124 is an abundant number, since it is smaller than the sum of its proper divisors (37678860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28259124 is a wasteful number, since it uses less digits than its factorization.

28259124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354934 (or 2354932 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 28259124 is about 5315.9311507957. The cubic root of 28259124 is about 304.5927521780.

The spelling of 28259124 in words is "twenty-eight million, two hundred fifty-nine thousand, one hundred twenty-four".