28104302 has 8 divisors (see below), whose sum is σ = 42205656. Its totient is φ = 14035752.

The previous prime is 28104239. The next prime is 28104319. The reversal of 28104302 is 20340182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 5933 + ... + 9560.

It is an arithmetic number, because the mean of its divisors is an integer number (5275707).

Almost surely, 2^28104302 is an apocalyptic number.

28104302 is a deficient number, since it is larger than the sum of its proper divisors (14101354).

28104302 is a wasteful number, since it uses less digits than its factorization.

28104302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16402.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 28104302 is about 5301.3490735849. The cubic root of 28104302 is about 304.0354803349.

Adding to 28104302 its reverse (20340182), we get a palindrome (48444484).

The spelling of 28104302 in words is "twenty-eight million, one hundred four thousand, three hundred two".