28516376 has 16 divisors (see below), whose sum is σ = 61106640. Its totient is φ = 12221280.

The previous prime is 28516349. The next prime is 28516391. The reversal of 28516376 is 67361582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254555 + ... + 254666.

It is an arithmetic number, because the mean of its divisors is an integer number (3819165).

Almost surely, 2^28516376 is an apocalyptic number.

It is an amenable number.

28516376 is an abundant number, since it is smaller than the sum of its proper divisors (32590264).

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

28516376 is a wasteful number, since it uses less digits than its factorization.

28516376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509234 (or 509230 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 28516376 is about 5340.0726586817. The cubic root of 28516376 is about 305.5142306108.

It can be divided in two parts, 285 and 16376, that added together give a palindrome (16661).

The spelling of 28516376 in words is "twenty-eight million, five hundred sixteen thousand, three hundred seventy-six".