28888950 has 48 divisors (see below), whose sum is σ = 75865680. Its totient is φ = 7249920.

The previous prime is 28888939. The next prime is 28888963. The reversal of 28888950 is 5988882.

28888950 = 618² + 619² + ... + 685².

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 28888950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3115 + ... + 8214.

It is an arithmetic number, because the mean of its divisors is an integer number (1580535).

Almost surely, 2^28888950 is an apocalyptic number.

28888950 is an abundant number, since it is smaller than the sum of its proper divisors (46976730).

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

28888950 is a wasteful number, since it uses less digits than its factorization.

28888950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11361 (or 11356 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 48.

The square root of 28888950 is about 5374.8441837880. The cubic root of 28888950 is about 306.8390191111.

The spelling of 28888950 in words is "twenty-eight million, eight hundred eighty-eight thousand, nine hundred fifty".