28474459 has 12 divisors (see below), whose sum is σ = 31455088. Its totient is φ = 25623360.

The previous prime is 28474451. The next prime is 28474469. The reversal of 28474459 is 95447482.

It is not a de Polignac number, because 28474459 - 2³ = 28474451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28474451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21202 + ... + 22504.

Almost surely, 2^28474459 is an apocalyptic number.

28474459 is a deficient number, since it is larger than the sum of its proper divisors (2980629).

28474459 is a wasteful number, since it uses less digits than its factorization.

28474459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398 (or 1357 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 28474459 is about 5336.1464560111. The cubic root of 28474459 is about 305.3644626333.

The spelling of 28474459 in words is "twenty-eight million, four hundred seventy-four thousand, four hundred fifty-nine".