28104363 has 48 divisors (see below), whose sum is σ = 49870080. Its totient is φ = 14893632.

The previous prime is 28104359. The next prime is 28104371. The reversal of 28104363 is 36340182.

It is a happy number.

It is not a de Polignac number, because 28104363 - 2² = 28104359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28104353) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63220 + ... + 63662.

It is an arithmetic number, because the mean of its divisors is an integer number (1038960).

Almost surely, 2^28104363 is an apocalyptic number.

28104363 is a deficient number, since it is larger than the sum of its proper divisors (21765717).

28104363 is a wasteful number, since it uses less digits than its factorization.

28104363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 28104363 is about 5301.3548268344. The cubic root of 28104363 is about 304.0357003030.

The spelling of 28104363 in words is "twenty-eight million, one hundred four thousand, three hundred sixty-three".