28763356 has 24 divisors (see below), whose sum is σ = 52199840. Its totient is φ = 13856832.

The previous prime is 28763353. The next prime is 28763377. The reversal of 28763356 is 65336782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28763351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15241 + ... + 17023.

Almost surely, 2^28763356 is an apocalyptic number.

It is an amenable number.

28763356 is a deficient number, since it is larger than the sum of its proper divisors (23436484).

28763356 is a wasteful number, since it uses less digits than its factorization.

28763356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933 (or 1931 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 28763356 is about 5363.1479561914. The cubic root of 28763356 is about 306.3937148054.

The spelling of 28763356 in words is "twenty-eight million, seven hundred sixty-three thousand, three hundred fifty-six".