28459469 has 8 divisors (see below), whose sum is σ = 29586720. Its totient is φ = 27342000.

The previous prime is 28459451. The next prime is 28459517. The reversal of 28459469 is 96495482.

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 28459469 - 2¹² = 28455373 is a prime.

It is a super-2 number, since 2×28459469² = 1619882751523922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28459429) 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, 3794 + ... + 8444.

It is an arithmetic number, because the mean of its divisors is an integer number (3698340).

Almost surely, 2^28459469 is an apocalyptic number.

28459469 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

28459469 is a deficient number, since it is larger than the sum of its proper divisors (1127251).

28459469 is a wasteful number, since it uses less digits than its factorization.

28459469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4891.

The product of its digits is 622080, while the sum is 47.

The square root of 28459469 is about 5334.7416994640. The cubic root of 28459469 is about 305.3108682083.

The spelling of 28459469 in words is "twenty-eight million, four hundred fifty-nine thousand, four hundred sixty-nine".