28712350 has 24 divisors (see below), whose sum is σ = 54315720. Its totient is φ = 11289120.

The previous prime is 28712339. The next prime is 28712351. The reversal of 28712350 is 5321782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28712351) 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, 1917 + ... + 7816.

It is an arithmetic number, because the mean of its divisors is an integer number (2263155).

Almost surely, 2^28712350 is an apocalyptic number.

28712350 is a deficient number, since it is larger than the sum of its proper divisors (25603370).

28712350 is a wasteful number, since it uses less digits than its factorization.

28712350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9804 (or 9799 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 28712350 is about 5358.3906165938. The cubic root of 28712350 is about 306.2124985317.

The spelling of 28712350 in words is "twenty-eight million, seven hundred twelve thousand, three hundred fifty".