28838346 has 8 divisors (see below), whose sum is σ = 57676704. Its totient is φ = 9612780.

The previous prime is 28838323. The next prime is 28838347. The reversal of 28838346 is 64383882.

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

28838346 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28838298 and 28838307.

It is not an unprimeable number, because it can be changed into a prime (28838347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2403190 + ... + 2403201.

It is an arithmetic number, because the mean of its divisors is an integer number (7209588).

Almost surely, 2^28838346 is an apocalyptic number.

28838346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28838346 is a wasteful number, since it uses less digits than its factorization.

28838346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806396.

The product of its digits is 221184, while the sum is 42.

The square root of 28838346 is about 5370.1346351837. The cubic root of 28838346 is about 306.6597538349.

The spelling of 28838346 in words is "twenty-eight million, eight hundred thirty-eight thousand, three hundred forty-six".