28883292 has 12 divisors (see below), whose sum is σ = 67394376. Its totient is φ = 9627760.

The previous prime is 28883291. The next prime is 28883321. The reversal of 28883292 is 29238882.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28883291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1203459 + ... + 1203482.

It is an arithmetic number, because the mean of its divisors is an integer number (5616198).

Almost surely, 2^28883292 is an apocalyptic number.

It is an amenable number.

28883292 is an abundant number, since it is smaller than the sum of its proper divisors (38511084).

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

28883292 is a wasteful number, since it uses less digits than its factorization.

28883292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406948 (or 2406946 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 28883292 is about 5374.3178171746. The cubic root of 28883292 is about 306.8189859782.

The spelling of 28883292 in words is "twenty-eight million, eight hundred eighty-three thousand, two hundred ninety-two".