28873336 has 16 divisors (see below), whose sum is σ = 54241200. Its totient is φ = 14409024.

The previous prime is 28873321. The next prime is 28873343. The reversal of 28873336 is 63337882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1381 + ... + 7723.

It is an arithmetic number, because the mean of its divisors is an integer number (3390075).

Almost surely, 2^28873336 is an apocalyptic number.

It is an amenable number.

28873336 is a deficient number, since it is larger than the sum of its proper divisors (25367864).

28873336 is a wasteful number, since it uses less digits than its factorization.

28873336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6918 (or 6914 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 28873336 is about 5373.3914802478. The cubic root of 28873336 is about 306.7837286759.

The spelling of 28873336 in words is "twenty-eight million, eight hundred seventy-three thousand, three hundred thirty-six".