28056502 has 16 divisors (see below), whose sum is σ = 44928000. Its totient is φ = 13101480.

The previous prime is 28056493. The next prime is 28056503. The reversal of 28056502 is 20565082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28056503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2502 + ... + 7897.

It is an arithmetic number, because the mean of its divisors is an integer number (2808000).

Almost surely, 2^28056502 is an apocalyptic number.

28056502 is a deficient number, since it is larger than the sum of its proper divisors (16871498).

28056502 is a wasteful number, since it uses less digits than its factorization.

28056502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10491.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 28056502 is about 5296.8388686083. The cubic root of 28056502 is about 303.8630139396.

The spelling of 28056502 in words is "twenty-eight million, fifty-six thousand, five hundred two".