28468499 has 4 divisors (see below), whose sum is σ = 28506864. Its totient is φ = 28430136.

The previous prime is 28468493. The next prime is 28468507. The reversal of 28468499 is 99486482.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28468499 - 2⁸ = 28468243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28468493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18047 + ... + 19560.

It is an arithmetic number, because the mean of its divisors is an integer number (7126716).

Almost surely, 2^28468499 is an apocalyptic number.

28468499 is a deficient number, since it is larger than the sum of its proper divisors (38365).

28468499 is an equidigital number, since it uses as much as digits as its factorization.

28468499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38364.

The product of its digits is 995328, while the sum is 50.

The square root of 28468499 is about 5335.5879713486. The cubic root of 28468499 is about 305.3431558288.

The spelling of 28468499 in words is "twenty-eight million, four hundred sixty-eight thousand, four hundred ninety-nine".