28277194 has 16 divisors (see below), whose sum is σ = 46354176. Its totient is φ = 12830400.

The previous prime is 28277191. The next prime is 28277201. The reversal of 28277194 is 49177282.

It is not an unprimeable number, because it can be changed into a prime (28277191) 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, 21154 + ... + 22450.

It is an arithmetic number, because the mean of its divisors is an integer number (2897136).

Almost surely, 2^28277194 is an apocalyptic number.

28277194 is a deficient number, since it is larger than the sum of its proper divisors (18076982).

28277194 is a wasteful number, since it uses less digits than its factorization.

28277194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301.

The product of its digits is 56448, while the sum is 40.

The square root of 28277194 is about 5317.6304873505. The cubic root of 28277194 is about 304.6576612234.

The spelling of 28277194 in words is "twenty-eight million, two hundred seventy-seven thousand, one hundred ninety-four".