28827192 has 32 divisors (see below), whose sum is σ = 72201600. Its totient is φ = 9591264.

The previous prime is 28827173. The next prime is 28827193. The reversal of 28827192 is 29172882.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 28827192.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28827193) 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, 21403 + ... + 22709.

It is an arithmetic number, because the mean of its divisors is an integer number (2256300).

Almost surely, 2^28827192 is an apocalyptic number.

It is an amenable number.

28827192 is an abundant number, since it is smaller than the sum of its proper divisors (43374408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28827192 is a wasteful number, since it uses less digits than its factorization.

28827192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235 (or 2231 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 28827192 is about 5369.0960132968. The cubic root of 28827192 is about 306.6202124551.

The spelling of 28827192 in words is "twenty-eight million, eight hundred twenty-seven thousand, one hundred ninety-two".