28961336 has 32 divisors (see below), whose sum is σ = 58456080. Its totient is φ = 13401600.

The previous prime is 28961329. The next prime is 28961357. The reversal of 28961336 is 63316982.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 28961336.

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, 6551 + ... + 10041.

Almost surely, 2^28961336 is an apocalyptic number.

It is an amenable number.

28961336 is an abundant number, since it is smaller than the sum of its proper divisors (29494744).

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

28961336 is a wasteful number, since it uses less digits than its factorization.

28961336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575 (or 3571 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 28961336 is about 5381.5737475203. The cubic root of 28961336 is about 307.0950838468.

The spelling of 28961336 in words is "twenty-eight million, nine hundred sixty-one thousand, three hundred thirty-six".