28934713 has 12 divisors (see below), whose sum is σ = 30658320. Its totient is φ = 27301736.

The previous prime is 28934707. The next prime is 28934723. The reversal of 28934713 is 31743982.

It is not a de Polignac number, because 28934713 - 2⁵ = 28934681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28934723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43578 + ... + 44236.

It is an arithmetic number, because the mean of its divisors is an integer number (2554860).

Almost surely, 2^28934713 is an apocalyptic number.

28934713 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

28934713 is a deficient number, since it is larger than the sum of its proper divisors (1723607).

28934713 is an equidigital number, since it uses as much as digits as its factorization.

28934713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 765 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 28934713 is about 5379.0996458515. The cubic root of 28934713 is about 307.0009549143. Note that the first 3 decimals are identical.

The spelling of 28934713 in words is "twenty-eight million, nine hundred thirty-four thousand, seven hundred thirteen".