28751852 has 6 divisors (see below), whose sum is σ = 50315748. Its totient is φ = 14375924.

The previous prime is 28751851. The next prime is 28751857. The reversal of 28751852 is 25815782.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28751851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3593978 + ... + 3593985.

It is an arithmetic number, because the mean of its divisors is an integer number (8385958).

Almost surely, 2^28751852 is an apocalyptic number.

It is an amenable number.

28751852 is a deficient number, since it is larger than the sum of its proper divisors (21563896).

28751852 is a wasteful number, since it uses less digits than its factorization.

28751852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7187967 (or 7187965 counting only the distinct ones).

The product of its digits is 44800, while the sum is 38.

The square root of 28751852 is about 5362.0753444912. The cubic root of 28751852 is about 306.3528616297.

The spelling of 28751852 in words is "twenty-eight million, seven hundred fifty-one thousand, eight hundred fifty-two".