28339454 has 16 divisors (see below), whose sum is σ = 49941360. Its totient is φ = 11890560.

The previous prime is 28339453. The next prime is 28339457. The reversal of 28339454 is 45493382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28339453) 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, 49259 + ... + 49830.

It is an arithmetic number, because the mean of its divisors is an integer number (3121335).

Almost surely, 2^28339454 is an apocalyptic number.

28339454 is a deficient number, since it is larger than the sum of its proper divisors (21601906).

28339454 is a wasteful number, since it uses less digits than its factorization.

28339454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99115.

The product of its digits is 103680, while the sum is 38.

The square root of 28339454 is about 5323.4813796988. The cubic root of 28339454 is about 304.8810931278.

The spelling of 28339454 in words is "twenty-eight million, three hundred thirty-nine thousand, four hundred fifty-four".