28162632 has 32 divisors (see below), whose sum is σ = 72679680. Its totient is φ = 9084480.

The previous prime is 28162609. The next prime is 28162633. The reversal of 28162632 is 23626182.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 28162632.

It is not an unprimeable number, because it can be changed into a prime (28162633) 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, 18183 + ... + 19670.

It is an arithmetic number, because the mean of its divisors is an integer number (2271240).

Almost surely, 2^28162632 is an apocalyptic number.

It is an amenable number.

28162632 is an abundant number, since it is smaller than the sum of its proper divisors (44517048).

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

28162632 is a wasteful number, since it uses less digits than its factorization.

28162632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37893 (or 37889 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 28162632 is about 5306.8476518551. The cubic root of 28162632 is about 304.2456751365.

The spelling of 28162632 in words is "twenty-eight million, one hundred sixty-two thousand, six hundred thirty-two".