28876116 has 12 divisors (see below), whose sum is σ = 67377632. Its totient is φ = 9625368.

The previous prime is 28876093. The next prime is 28876121. The reversal of 28876116 is 61167882.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×28876116³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1203160 + ... + 1203183.

Almost surely, 2^28876116 is an apocalyptic number.

It is an amenable number.

28876116 is an abundant number, since it is smaller than the sum of its proper divisors (38501516).

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

28876116 is a wasteful number, since it uses less digits than its factorization.

28876116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406350 (or 2406348 counting only the distinct ones).

The product of its digits is 32256, while the sum is 39.

The square root of 28876116 is about 5373.6501560857. The cubic root of 28876116 is about 306.7935743387.

The spelling of 28876116 in words is "twenty-eight million, eight hundred seventy-six thousand, one hundred sixteen".