28830703 has 8 divisors (see below), whose sum is σ = 31921920. Its totient is φ = 25817880.

The previous prime is 28830701. The next prime is 28830709. The reversal of 28830703 is 30703882.

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

It is not a de Polignac number, because 28830703 - 2¹ = 28830701 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 (28830701) 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, 18823 + ... + 20296.

It is an arithmetic number, because the mean of its divisors is an integer number (3990240).

Almost surely, 2^28830703 is an apocalyptic number.

28830703 is a deficient number, since it is larger than the sum of its proper divisors (3091217).

28830703 is a wasteful number, since it uses less digits than its factorization.

28830703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39197.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 28830703 is about 5369.4229671353. The cubic root of 28830703 is about 306.6326601915.

The spelling of 28830703 in words is "twenty-eight million, eight hundred thirty thousand, seven hundred three".