28340176 has 10 divisors (see below), whose sum is σ = 54909122. Its totient is φ = 14170080.

The previous prime is 28340171. The next prime is 28340189. The reversal of 28340176 is 67104382.

It can be written as a sum of positive squares in only one way, i.e., 15808576 + 12531600 = 3976^2 + 3540^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28340171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 885615 + ... + 885646.

Almost surely, 2^28340176 is an apocalyptic number.

It is an amenable number.

28340176 is a deficient number, since it is larger than the sum of its proper divisors (26568946).

28340176 is a wasteful number, since it uses less digits than its factorization.

28340176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771269 (or 1771263 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 28340176 is about 5323.5491920335. The cubic root of 28340176 is about 304.8836822424.

The spelling of 28340176 in words is "twenty-eight million, three hundred forty thousand, one hundred seventy-six".