28162302 has 32 divisors (see below), whose sum is σ = 68159232. Its totient is φ = 7572864.

The previous prime is 28162273. The next prime is 28162307. The reversal of 28162302 is 20326182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28162307) 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 in 15 ways as a sum of consecutive naturals, for example, 19008 + ... + 20435.

It is an arithmetic number, because the mean of its divisors is an integer number (2129976).

Almost surely, 2^28162302 is an apocalyptic number.

28162302 is an abundant number, since it is smaller than the sum of its proper divisors (39996930).

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

28162302 is a wasteful number, since it uses less digits than its factorization.

28162302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39472.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 28162302 is about 5306.8165598596. The cubic root of 28162302 is about 304.2444867833.

Adding to 28162302 its reverse (20326182), we get a palindrome (48488484).

The spelling of 28162302 in words is "twenty-eight million, one hundred sixty-two thousand, three hundred two".