28369256 has 16 divisors (see below), whose sum is σ = 53370240. Its totient is φ = 14137200.

The previous prime is 28369249. The next prime is 28369259. The reversal of 28369256 is 65296382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28369259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3320 + ... + 8231.

It is an arithmetic number, because the mean of its divisors is an integer number (3335640).

Almost surely, 2^28369256 is an apocalyptic number.

It is an amenable number.

28369256 is a deficient number, since it is larger than the sum of its proper divisors (25000984).

28369256 is a wasteful number, since it uses less digits than its factorization.

28369256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11864 (or 11860 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 28369256 is about 5326.2797523224. The cubic root of 28369256 is about 304.9879274985.

The spelling of 28369256 in words is "twenty-eight million, three hundred sixty-nine thousand, two hundred fifty-six".