28763116 has 12 divisors (see below), whose sum is σ = 53296488. Its totient is φ = 13535552.

The previous prime is 28763101. The next prime is 28763129. The reversal of 28763116 is 61136782.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 211426 + ... + 211561.

It is an arithmetic number, because the mean of its divisors is an integer number (4441374).

Almost surely, 2^28763116 is an apocalyptic number.

It is an amenable number.

28763116 is a deficient number, since it is larger than the sum of its proper divisors (24533372).

28763116 is a wasteful number, since it uses less digits than its factorization.

28763116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423008 (or 423006 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 28763116 is about 5363.1255812259. The cubic root of 28763116 is about 306.3928626251.

Adding to 28763116 its reverse (61136782), we get a palindrome (89899898).

The spelling of 28763116 in words is "twenty-eight million, seven hundred sixty-three thousand, one hundred sixteen".