28842876 has 36 divisors (see below), whose sum is σ = 73083192. Its totient is φ = 9591264.

The previous prime is 28842871. The next prime is 28842881. The reversal of 28842876 is 67824882.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28842871) and next prime (28842881).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×28842876² = 1663822991902752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28842871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21415 + ... + 22721.

Almost surely, 2^28842876 is an apocalyptic number.

It is an amenable number.

28842876 is an abundant number, since it is smaller than the sum of its proper divisors (44240316).

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

28842876 is a wasteful number, since it uses less digits than its factorization.

28842876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930 (or 1925 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 28842876 is about 5370.5563957564. The cubic root of 28842876 is about 306.6758099563.

The spelling of 28842876 in words is "twenty-eight million, eight hundred forty-two thousand, eight hundred seventy-six".