28501352 has 16 divisors (see below), whose sum is σ = 58298400. Its totient is φ = 12955120.

The previous prime is 28501351. The next prime is 28501373. The reversal of 28501352 is 25310582.

It is not an unprimeable number, because it can be changed into a prime (28501351) 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 3 ways as a sum of consecutive naturals, for example, 161852 + ... + 162027.

It is an arithmetic number, because the mean of its divisors is an integer number (3643650).

Almost surely, 2^28501352 is an apocalyptic number.

28501352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28501352 is an abundant number, since it is smaller than the sum of its proper divisors (29797048).

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

28501352 is a wasteful number, since it uses less digits than its factorization.

28501352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323896 (or 323892 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 28501352 is about 5338.6657509157. The cubic root of 28501352 is about 305.4605672686.

The spelling of 28501352 in words is "twenty-eight million, five hundred one thousand, three hundred fifty-two".