28683876 has 24 divisors (see below), whose sum is σ = 72077824. Its totient is φ = 8825760.

The previous prime is 28683833. The next prime is 28683877. The reversal of 28683876 is 67838682.

28683876 = T₈₉ + T₉₀ + ... + T₅₅₆.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28683877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91780 + ... + 92091.

Almost surely, 2^28683876 is an apocalyptic number.

28683876 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28683876 is an abundant number, since it is smaller than the sum of its proper divisors (43393948).

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

28683876 is a wasteful number, since it uses less digits than its factorization.

28683876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183891 (or 183889 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 28683876 is about 5355.7330030538. The cubic root of 28683876 is about 306.1112415405. Note that the first 3 decimals are identical.

The spelling of 28683876 in words is "twenty-eight million, six hundred eighty-three thousand, eight hundred seventy-six".