28256950 has 24 divisors (see below), whose sum is σ = 53554608. Its totient is φ = 11088480.

The previous prime is 28256939. The next prime is 28256951. The reversal of 28256950 is 5965282.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28256951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2682 + ... + 7981.

It is an arithmetic number, because the mean of its divisors is an integer number (2231442).

Almost surely, 2^28256950 is an apocalyptic number.

28256950 is a deficient number, since it is larger than the sum of its proper divisors (25297658).

28256950 is a wasteful number, since it uses less digits than its factorization.

28256950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10728 (or 10723 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 28256950 is about 5315.7266671641. The cubic root of 28256950 is about 304.5849411123.

The spelling of 28256950 in words is "twenty-eight million, two hundred fifty-six thousand, nine hundred fifty".