28968134 has 8 divisors (see below), whose sum is σ = 46794720. Its totient is φ = 13369896.

The previous prime is 28968101. The next prime is 28968139. The reversal of 28968134 is 43186982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 28968091 and 28968100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28968139) 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 3 ways as a sum of consecutive naturals, for example, 557054 + ... + 557105.

It is an arithmetic number, because the mean of its divisors is an integer number (5849340).

Almost surely, 2^28968134 is an apocalyptic number.

28968134 is a deficient number, since it is larger than the sum of its proper divisors (17826586).

28968134 is a wasteful number, since it uses less digits than its factorization.

28968134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114174.

The product of its digits is 82944, while the sum is 41.

The square root of 28968134 is about 5382.2053100936. The cubic root of 28968134 is about 307.1191097764.

The spelling of 28968134 in words is "twenty-eight million, nine hundred sixty-eight thousand, one hundred thirty-four".