28459365 has 32 divisors (see below), whose sum is σ = 50011776. Its totient is φ = 13704960.

The previous prime is 28459351. The next prime is 28459369. The reversal of 28459365 is 56395482.

It is not a de Polignac number, because 28459365 - 2¹³ = 28451173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28459369) 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 31 ways as a sum of consecutive naturals, for example, 28047 + ... + 29043.

It is an arithmetic number, because the mean of its divisors is an integer number (1562868).

Almost surely, 2^28459365 is an apocalyptic number.

It is an amenable number.

28459365 is a deficient number, since it is larger than the sum of its proper divisors (21552411).

28459365 is a wasteful number, since it uses less digits than its factorization.

28459365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189.

The product of its digits is 259200, while the sum is 42.

The square root of 28459365 is about 5334.7319520291. The cubic root of 28459365 is about 305.3104963067.

The spelling of 28459365 in words is "twenty-eight million, four hundred fifty-nine thousand, three hundred sixty-five".