28274950 has 48 divisors (see below), whose sum is σ = 58054320. Its totient is φ = 10160000.

The previous prime is 28274941. The next prime is 28274989. The reversal of 28274950 is 5947282.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55296 + ... + 55804.

It is an arithmetic number, because the mean of its divisors is an integer number (1209465).

Almost surely, 2^28274950 is an apocalyptic number.

28274950 is an abundant number, since it is smaller than the sum of its proper divisors (29779370).

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

28274950 is a wasteful number, since it uses less digits than its factorization.

28274950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 628 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 28274950 is about 5317.4194869316. The cubic root of 28274950 is about 304.6496020801.

It can be divided in two parts, 2827 and 4950, that added together give a palindrome (7777).

The spelling of 28274950 in words is "twenty-eight million, two hundred seventy-four thousand, nine hundred fifty".