28253852 has 12 divisors (see below), whose sum is σ = 53939256. Its totient is φ = 12842640.

The previous prime is 28253831. The next prime is 28253857. The reversal of 28253852 is 25835282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28253857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321023 + ... + 321110.

It is an arithmetic number, because the mean of its divisors is an integer number (4494938).

Almost surely, 2^28253852 is an apocalyptic number.

28253852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28253852 is a deficient number, since it is larger than the sum of its proper divisors (25685404).

28253852 is a wasteful number, since it uses less digits than its factorization.

28253852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642148 (or 642146 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The square root of 28253852 is about 5315.4352596942. The cubic root of 28253852 is about 304.5738094717.

The spelling of 28253852 in words is "twenty-eight million, two hundred fifty-three thousand, eight hundred fifty-two".