28338703 has 4 divisors (see below), whose sum is σ = 28819080. Its totient is φ = 27858328.

The previous prime is 28338701. The next prime is 28338719. The reversal of 28338703 is 30783382.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28338703 - 2¹ = 28338701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28338701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240100 + ... + 240217.

It is an arithmetic number, because the mean of its divisors is an integer number (7204770).

Almost surely, 2^28338703 is an apocalyptic number.

28338703 is a deficient number, since it is larger than the sum of its proper divisors (480377).

28338703 is an equidigital number, since it uses as much as digits as its factorization.

28338703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480376.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 28338703 is about 5323.4108426835. The cubic root of 28338703 is about 304.8783999717.

The spelling of 28338703 in words is "twenty-eight million, three hundred thirty-eight thousand, seven hundred three".