28755459 has 8 divisors (see below), whose sum is σ = 42600720. Its totient is φ = 19170288.

The previous prime is 28755457. The next prime is 28755469. The reversal of 28755459 is 95455782.

It is not a de Polignac number, because 28755459 - 2¹ = 28755457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28755457) 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, 532482 + ... + 532535.

It is an arithmetic number, because the mean of its divisors is an integer number (5325090).

Almost surely, 2^28755459 is an apocalyptic number.

28755459 is a deficient number, since it is larger than the sum of its proper divisors (13845261).

28755459 is a wasteful number, since it uses less digits than its factorization.

28755459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065026 (or 1065020 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 28755459 is about 5362.4116775943. The cubic root of 28755459 is about 306.3656720342.

The spelling of 28755459 in words is "twenty-eight million, seven hundred fifty-five thousand, four hundred fifty-nine".