28863374 has 4 divisors (see below), whose sum is σ = 43295064. Its totient is φ = 14431686.

The previous prime is 28863371. The next prime is 28863379. The reversal of 28863374 is 47336882.

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 (28863371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7215842 + ... + 7215845.

It is an arithmetic number, because the mean of its divisors is an integer number (10823766).

Almost surely, 2^28863374 is an apocalyptic number.

28863374 is a deficient number, since it is larger than the sum of its proper divisors (14431690).

28863374 is a wasteful number, since it uses less digits than its factorization.

28863374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14431689.

The product of its digits is 193536, while the sum is 41.

The square root of 28863374 is about 5372.4644251963. The cubic root of 28863374 is about 306.7484420126.

The spelling of 28863374 in words is "twenty-eight million, eight hundred sixty-three thousand, three hundred seventy-four".