28871176 has 8 divisors (see below), whose sum is σ = 54133470. Its totient is φ = 14435584.

The previous prime is 28871173. The next prime is 28871179. The reversal of 28871176 is 67117882.

It is an interprime number because it is at equal distance from previous prime (28871173) and next prime (28871179).

It can be written as a sum of positive squares in only one way, i.e., 20884900 + 7986276 = 4570^2 + 2826^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (28871173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1804441 + ... + 1804456.

Almost surely, 2^28871176 is an apocalyptic number.

It is an amenable number.

28871176 is a deficient number, since it is larger than the sum of its proper divisors (25262294).

28871176 is a wasteful number, since it uses less digits than its factorization.

28871176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3608903 (or 3608899 counting only the distinct ones).

The product of its digits is 37632, while the sum is 40.

The square root of 28871176 is about 5373.1904861079. The cubic root of 28871176 is about 306.7760783721.

The spelling of 28871176 in words is "twenty-eight million, eight hundred seventy-one thousand, one hundred seventy-six".