28514803 has 6 divisors (see below), whose sum is σ = 29228972. Its totient is φ = 27817680.

The previous prime is 28514791. The next prime is 28514809. The reversal of 28514803 is 30841582.

It is not a de Polignac number, because 28514803 - 2⁵ = 28514771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28514809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6801 + ... + 10162.

Almost surely, 2^28514803 is an apocalyptic number.

28514803 is a deficient number, since it is larger than the sum of its proper divisors (714169).

28514803 is an equidigital number, since it uses as much as digits as its factorization.

28514803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17045 (or 17004 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 28514803 is about 5339.9253740104. The cubic root of 28514803 is about 305.5086129881.

The spelling of 28514803 in words is "twenty-eight million, five hundred fourteen thousand, eight hundred three".