28854836 has 6 divisors (see below), whose sum is σ = 50495970. Its totient is φ = 14427416.

The previous prime is 28854827. The next prime is 28854841. The reversal of 28854836 is 63845882.

It can be written as a sum of positive squares in only one way, i.e., 28686736 + 168100 = 5356^2 + 410^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3606851 + ... + 3606858.

It is an arithmetic number, because the mean of its divisors is an integer number (8415995).

Almost surely, 2^28854836 is an apocalyptic number.

It is an amenable number.

28854836 is a deficient number, since it is larger than the sum of its proper divisors (21641134).

28854836 is a wasteful number, since it uses less digits than its factorization.

28854836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7213713 (or 7213711 counting only the distinct ones).

The product of its digits is 368640, while the sum is 44.

The square root of 28854836 is about 5371.6697590228. The cubic root of 28854836 is about 306.7181928754.

The spelling of 28854836 in words is "twenty-eight million, eight hundred fifty-four thousand, eight hundred thirty-six".