28465459 has 8 divisors (see below), whose sum is σ = 31339440. Its totient is φ = 25639200.

The previous prime is 28465457. The next prime is 28465499. The reversal of 28465459 is 95456482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28465459 - 2¹ = 28465457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28465457) 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 7 ways as a sum of consecutive naturals, for example, 10672 + ... + 13069.

It is an arithmetic number, because the mean of its divisors is an integer number (3917430).

Almost surely, 2^28465459 is an apocalyptic number.

28465459 is a deficient number, since it is larger than the sum of its proper divisors (2873981).

28465459 is a wasteful number, since it uses less digits than its factorization.

28465459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23861.

The product of its digits is 345600, while the sum is 43.

The square root of 28465459 is about 5335.3030841743. The cubic root of 28465459 is about 305.3322867833.

The spelling of 28465459 in words is "twenty-eight million, four hundred sixty-five thousand, four hundred fifty-nine".