28494303 has 8 divisors (see below), whose sum is σ = 38919216. Its totient is φ = 18532800.

The previous prime is 28494299. The next prime is 28494307. The reversal of 28494303 is 30349482.

It is an interprime number because it is at equal distance from previous prime (28494299) and next prime (28494307).

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

It is not a de Polignac number, because 28494303 - 2² = 28494299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28494307) 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, 115708 + ... + 115953.

It is an arithmetic number, because the mean of its divisors is an integer number (4864902).

Almost surely, 2^28494303 is an apocalyptic number.

28494303 is a deficient number, since it is larger than the sum of its proper divisors (10424913).

28494303 is a wasteful number, since it uses less digits than its factorization.

28494303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231705.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 28494303 is about 5338.0055264115. The cubic root of 28494303 is about 305.4353828601.

The spelling of 28494303 in words is "twenty-eight million, four hundred ninety-four thousand, three hundred three".