28854418 has 16 divisors (see below), whose sum is σ = 44102520. Its totient is φ = 14155776.

The previous prime is 28854401. The next prime is 28854473. The reversal of 28854418 is 81445882.

It can be written as a sum of positive squares in 4 ways, for example, as 28654609 + 199809 = 5353^2 + 447^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37138 + ... + 37906.

Almost surely, 2^28854418 is an apocalyptic number.

28854418 is a deficient number, since it is larger than the sum of its proper divisors (15248102).

28854418 is a wasteful number, since it uses less digits than its factorization.

28854418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101.

The product of its digits is 81920, while the sum is 40.

The square root of 28854418 is about 5371.6308510545. The cubic root of 28854418 is about 306.7167117970.

The spelling of 28854418 in words is "twenty-eight million, eight hundred fifty-four thousand, four hundred eighteen".