28794912 has 48 divisors (see below), whose sum is σ = 78200640. Its totient is φ = 9266432.

The previous prime is 28794911. The next prime is 28794929. The reversal of 28794912 is 21949782.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (28794911) 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, 2388 + ... + 7955.

It is an arithmetic number, because the mean of its divisors is an integer number (1629180).

Almost surely, 2^28794912 is an apocalyptic number.

It is an amenable number.

28794912 is an abundant number, since it is smaller than the sum of its proper divisors (49405728).

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

28794912 is a wasteful number, since it uses less digits than its factorization.

28794912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10385 (or 10377 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 28794912 is about 5366.0890786494. The cubic root of 28794912 is about 306.5057210499.

The spelling of 28794912 in words is "twenty-eight million, seven hundred ninety-four thousand, nine hundred twelve".