28899348 has 12 divisors (see below), whose sum is σ = 67431840. Its totient is φ = 9633112.

The previous prime is 28899329. The next prime is 28899359. The reversal of 28899348 is 84399882.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28899348.

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, 1204128 + ... + 1204151.

It is an arithmetic number, because the mean of its divisors is an integer number (5619320).

Almost surely, 2^28899348 is an apocalyptic number.

It is an amenable number.

28899348 is an abundant number, since it is smaller than the sum of its proper divisors (38532492).

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

28899348 is a wasteful number, since it uses less digits than its factorization.

28899348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408286 (or 2408284 counting only the distinct ones).

The product of its digits is 995328, while the sum is 51.

The square root of 28899348 is about 5375.8113806197. The cubic root of 28899348 is about 306.8758282187.

The spelling of 28899348 in words is "twenty-eight million, eight hundred ninety-nine thousand, three hundred forty-eight".