28055367 has 12 divisors (see below), whose sum is σ = 40579344. Its totient is φ = 18678240.

The previous prime is 28055333. The next prime is 28055387. The reversal of 28055367 is 76355082.

It is not a de Polignac number, because 28055367 - 2²² = 23861063 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28055317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6942 + ... + 10212.

It is an arithmetic number, because the mean of its divisors is an integer number (3381612).

Almost surely, 2^28055367 is an apocalyptic number.

28055367 is a deficient number, since it is larger than the sum of its proper divisors (12523977).

28055367 is a wasteful number, since it uses less digits than its factorization.

28055367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4230 (or 4227 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 28055367 is about 5296.7317281509. The cubic root of 28055367 is about 303.8589163847.

The spelling of 28055367 in words is "twenty-eight million, fifty-five thousand, three hundred sixty-seven".