28574854 has 16 divisors (see below), whose sum is σ = 53438976. Its totient is φ = 11133000.

The previous prime is 28574851. The next prime is 28574867. The reversal of 28574854 is 45847582.

It is a happy number.

It is a super-2 number, since 2×28574854² = 1633044562242632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28574854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28574851) 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, 92622 + ... + 92929.

It is an arithmetic number, because the mean of its divisors is an integer number (3339936).

Almost surely, 2^28574854 is an apocalyptic number.

28574854 is a deficient number, since it is larger than the sum of its proper divisors (24864122).

28574854 is a wasteful number, since it uses less digits than its factorization.

28574854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185571.

The product of its digits is 358400, while the sum is 43.

The square root of 28574854 is about 5345.5452481482. The cubic root of 28574854 is about 305.7229254636.

The spelling of 28574854 in words is "twenty-eight million, five hundred seventy-four thousand, eight hundred fifty-four".