28734803 has 8 divisors (see below), whose sum is σ = 29148336. Its totient is φ = 28324000.

The previous prime is 28734787. The next prime is 28734841. The reversal of 28734803 is 30843782.

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

It is a cyclic number.

It is not a de Polignac number, because 28734803 - 2⁴ = 28734787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28734863) 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, 29108 + ... + 30078.

It is an arithmetic number, because the mean of its divisors is an integer number (3643542).

Almost surely, 2^28734803 is an apocalyptic number.

28734803 is a deficient number, since it is larger than the sum of its proper divisors (413533).

28734803 is a wasteful number, since it uses less digits than its factorization.

28734803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 28734803 is about 5360.4853325049. The cubic root of 28734803 is about 306.2922969207.

The spelling of 28734803 in words is "twenty-eight million, seven hundred thirty-four thousand, eight hundred three".