28838208 has 112 divisors (see below), whose sum is σ = 89408000. Its totient is φ = 8031744.

The previous prime is 28838189. The next prime is 28838221. The reversal of 28838208 is 80283882.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57543 + ... + 58041.

Almost surely, 2^28838208 is an apocalyptic number.

28838208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28838208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44704000).

28838208 is an abundant number, since it is smaller than the sum of its proper divisors (60569792).

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

28838208 is a wasteful number, since it uses less digits than its factorization.

28838208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 28838208 is about 5370.1217863285. The cubic root of 28838208 is about 306.6592646817.

The spelling of 28838208 in words is "twenty-eight million, eight hundred thirty-eight thousand, two hundred eight".