28888212 has 12 divisors (see below), whose sum is σ = 67405856. Its totient is φ = 9629400.

The previous prime is 28888201. The next prime is 28888259. The reversal of 28888212 is 21288882.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1203664 + ... + 1203687.

Almost surely, 2^28888212 is an apocalyptic number.

It is an amenable number.

28888212 is an abundant number, since it is smaller than the sum of its proper divisors (38517644).

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

28888212 is a wasteful number, since it uses less digits than its factorization.

28888212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407358 (or 2407356 counting only the distinct ones).

The product of its digits is 32768, while the sum is 39.

The square root of 28888212 is about 5374.7755301966. The cubic root of 28888212 is about 306.8364062421.

The spelling of 28888212 in words is "twenty-eight million, eight hundred eighty-eight thousand, two hundred twelve".