28974336 has 72 divisors (see below), whose sum is σ = 79666944. Its totient is φ = 9338880.

The previous prime is 28974317. The next prime is 28974343. The reversal of 28974336 is 63347982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23200 + ... + 24416.

Almost surely, 2^28974336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28974336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39833472).

28974336 is an abundant number, since it is smaller than the sum of its proper divisors (50692608).

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

28974336 is a wasteful number, since it uses less digits than its factorization.

28974336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267 (or 1253 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 28974336 is about 5382.7814371382. The cubic root of 28974336 is about 307.1410260057.

The spelling of 28974336 in words is "twenty-eight million, nine hundred seventy-four thousand, three hundred thirty-six".