28871326 has 24 divisors (see below), whose sum is σ = 48521592. Its totient is φ = 12870000.

The previous prime is 28871309. The next prime is 28871329. The reversal of 28871326 is 62317882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28871329) 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 in 11 ways as a sum of consecutive naturals, for example, 11701 + ... + 13951.

It is an arithmetic number, because the mean of its divisors is an integer number (2021733).

Almost surely, 2^28871326 is an apocalyptic number.

28871326 is a deficient number, since it is larger than the sum of its proper divisors (19650266).

28871326 is a wasteful number, since it uses less digits than its factorization.

28871326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328 (or 2317 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 28871326 is about 5373.2044442772. The cubic root of 28871326 is about 306.7766096555.

The spelling of 28871326 in words is "twenty-eight million, eight hundred seventy-one thousand, three hundred twenty-six".