28379876 has 24 divisors (see below), whose sum is σ = 56977536. Its totient is φ = 12116160.

The previous prime is 28379873. The next prime is 28379887. The reversal of 28379876 is 67897382.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28379873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6065 + ... + 9671.

It is an arithmetic number, because the mean of its divisors is an integer number (2374064).

Almost surely, 2^28379876 is an apocalyptic number.

It is an amenable number.

28379876 is an abundant number, since it is smaller than the sum of its proper divisors (28597660).

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

28379876 is a wasteful number, since it uses less digits than its factorization.

28379876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3899 (or 3897 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The square root of 28379876 is about 5327.2766025428. The cubic root of 28379876 is about 305.0259800498.

The spelling of 28379876 in words is "twenty-eight million, three hundred seventy-nine thousand, eight hundred seventy-six".