28823854 has 8 divisors (see below), whose sum is σ = 44726760. Its totient is φ = 13914936.

The previous prime is 28823849. The next prime is 28823863. The reversal of 28823854 is 45832882.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248424 + ... + 248539.

It is an arithmetic number, because the mean of its divisors is an integer number (5590845).

Almost surely, 2^28823854 is an apocalyptic number.

28823854 is a deficient number, since it is larger than the sum of its proper divisors (15902906).

28823854 is a wasteful number, since it uses less digits than its factorization.

28823854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496994.

The product of its digits is 122880, while the sum is 40.

The square root of 28823854 is about 5368.7851512237. The cubic root of 28823854 is about 306.6083771276.

Subtracting 28823854 from its reverse (45832882), we obtain a triangular number (17009028 = T₅₈₃₂).

It can be divided in two parts, 288 and 23854, that added together give a palindrome (24142).

The spelling of 28823854 in words is "twenty-eight million, eight hundred twenty-three thousand, eight hundred fifty-four".