28162002 has 16 divisors (see below), whose sum is σ = 61444512. Its totient is φ = 8533920.

The previous prime is 28161997. The next prime is 28162007. The reversal of 28162002 is 20026182.

It is an interprime number because it is at equal distance from previous prime (28161997) and next prime (28162007).

It is a self number, because there is not a number n which added to its sum of digits gives 28162002.

It is not an unprimeable number, because it can be changed into a prime (28162007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213283 + ... + 213414.

It is an arithmetic number, because the mean of its divisors is an integer number (3840282).

Almost surely, 2^28162002 is an apocalyptic number.

28162002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28162002 is an abundant number, since it is smaller than the sum of its proper divisors (33282510).

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

28162002 is a wasteful number, since it uses less digits than its factorization.

28162002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426713.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 28162002 is about 5306.7882942511. The cubic root of 28162002 is about 304.2434064541.

Adding to 28162002 its reverse (20026182), we get a palindrome (48188184).

The spelling of 28162002 in words is "twenty-eight million, one hundred sixty-two thousand, two".