28177368 has 32 divisors (see below), whose sum is σ = 70676160. Its totient is φ = 9361440.

The previous prime is 28177367. The next prime is 28177403. The reversal of 28177368 is 86377182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28177367) 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, 6171 + ... + 9717.

It is an arithmetic number, because the mean of its divisors is an integer number (2208630).

Almost surely, 2^28177368 is an apocalyptic number.

It is an amenable number.

28177368 is an abundant number, since it is smaller than the sum of its proper divisors (42498792).

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

28177368 is a wasteful number, since it uses less digits than its factorization.

28177368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887 (or 3883 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 28177368 is about 5308.2358651439. The cubic root of 28177368 is about 304.2987310503.

The spelling of 28177368 in words is "twenty-eight million, one hundred seventy-seven thousand, three hundred sixty-eight".