28253854 has 4 divisors (see below), whose sum is σ = 42380784. Its totient is φ = 14126926.

The previous prime is 28253831. The next prime is 28253857. The reversal of 28253854 is 45835282.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28253857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7063462 + ... + 7063465.

It is an arithmetic number, because the mean of its divisors is an integer number (10595196).

Almost surely, 2^28253854 is an apocalyptic number.

28253854 is a deficient number, since it is larger than the sum of its proper divisors (14126930).

28253854 is a wasteful number, since it uses less digits than its factorization.

28253854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14126929.

The product of its digits is 76800, while the sum is 37.

The square root of 28253854 is about 5315.4354478255. The cubic root of 28253854 is about 304.5738166583.

The spelling of 28253854 in words is "twenty-eight million, two hundred fifty-three thousand, eight hundred fifty-four".