28827836 has 6 divisors (see below), whose sum is σ = 50448720. Its totient is φ = 14413916.

The previous prime is 28827823. The next prime is 28827839. The reversal of 28827836 is 63872882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28827839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3603476 + ... + 3603483.

It is an arithmetic number, because the mean of its divisors is an integer number (8408120).

Almost surely, 2^28827836 is an apocalyptic number.

It is an amenable number.

28827836 is a deficient number, since it is larger than the sum of its proper divisors (21620884).

28827836 is a wasteful number, since it uses less digits than its factorization.

28827836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7206963 (or 7206961 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 28827836 is about 5369.1559858138. The cubic root of 28827836 is about 306.6224957385.

The spelling of 28827836 in words is "twenty-eight million, eight hundred twenty-seven thousand, eight hundred thirty-six".