28252246 has 16 divisors (see below), whose sum is σ = 46588608. Its totient is φ = 12742600.

The previous prime is 28252243. The next prime is 28252261. The reversal of 28252246 is 64225282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28252243) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2020 + ... + 7783.

It is an arithmetic number, because the mean of its divisors is an integer number (2911788).

Almost surely, 2^28252246 is an apocalyptic number.

28252246 is a deficient number, since it is larger than the sum of its proper divisors (18336362).

28252246 is a wasteful number, since it uses less digits than its factorization.

28252246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9947.

The product of its digits is 15360, while the sum is 31.

The square root of 28252246 is about 5315.2841880750. The cubic root of 28252246 is about 304.5680385204.

The spelling of 28252246 in words is "twenty-eight million, two hundred fifty-two thousand, two hundred forty-six".