28450874 has 8 divisors (see below), whose sum is σ = 43261140. Its totient is φ = 14030496.

The previous prime is 28450871. The next prime is 28450879. The reversal of 28450874 is 47805482.

It can be written as a sum of positive squares in 2 ways, for example, as 25938649 + 2512225 = 5093^2 + 1585^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28450871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97289 + ... + 97580.

Almost surely, 2^28450874 is an apocalyptic number.

28450874 is a deficient number, since it is larger than the sum of its proper divisors (14810266).

28450874 is a wasteful number, since it uses less digits than its factorization.

28450874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194944.

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 28450874 is about 5333.9360701081. The cubic root of 28450874 is about 305.2801296267.

The spelling of 28450874 in words is "twenty-eight million, four hundred fifty thousand, eight hundred seventy-four".