28934299 has 4 divisors (see below), whose sum is σ = 30192336. Its totient is φ = 27676264.

The previous prime is 28934291. The next prime is 28934309. The reversal of 28934299 is 99243982.

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 28934299 - 2³ = 28934291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28934291) 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, 628984 + ... + 629029.

It is an arithmetic number, because the mean of its divisors is an integer number (7548084).

Almost surely, 2^28934299 is an apocalyptic number.

28934299 is a deficient number, since it is larger than the sum of its proper divisors (1258037).

28934299 is a wasteful number, since it uses less digits than its factorization.

28934299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258036.

The product of its digits is 279936, while the sum is 46.

The square root of 28934299 is about 5379.0611634374. The cubic root of 28934299 is about 306.9994907099. Note that the first 3 decimals are identical.

The spelling of 28934299 in words is "twenty-eight million, nine hundred thirty-four thousand, two hundred ninety-nine".