28547834 has 8 divisors (see below), whose sum is σ = 48939168. Its totient is φ = 12234780.

The previous prime is 28547821. The next prime is 28547837. The reversal of 28547834 is 43874582.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28547791 and 28547800.

It is not an unprimeable number, because it can be changed into a prime (28547837) 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, 1019552 + ... + 1019579.

It is an arithmetic number, because the mean of its divisors is an integer number (6117396).

Almost surely, 2^28547834 is an apocalyptic number.

28547834 is a deficient number, since it is larger than the sum of its proper divisors (20391334).

28547834 is a wasteful number, since it uses less digits than its factorization.

28547834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039140.

The product of its digits is 215040, while the sum is 41.

The square root of 28547834 is about 5343.0173123433. The cubic root of 28547834 is about 305.6265325707.

The spelling of 28547834 in words is "twenty-eight million, five hundred forty-seven thousand, eight hundred thirty-four".