28838049 has 8 divisors (see below), whose sum is σ = 38495520. Its totient is φ = 19202976.

The previous prime is 28838039. The next prime is 28838053. The reversal of 28838049 is 94083882.

It is a happy number.

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

It is not a de Polignac number, because 28838049 - 2¹⁵ = 28805281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28838049.

It is not an unprimeable number, because it can be changed into a prime (28838009) 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, 2319 + ... + 7940.

It is an arithmetic number, because the mean of its divisors is an integer number (4811940).

Almost surely, 2^28838049 is an apocalyptic number.

It is an amenable number.

28838049 is a deficient number, since it is larger than the sum of its proper divisors (9657471).

28838049 is a wasteful number, since it uses less digits than its factorization.

28838049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11199.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 28838049 is about 5370.1069821746. The cubic root of 28838049 is about 306.6587010901.

The spelling of 28838049 in words is "twenty-eight million, eight hundred thirty-eight thousand, forty-nine".