28196002 has 4 divisors (see below), whose sum is σ = 42294006. Its totient is φ = 14098000.

The previous prime is 28195997. The next prime is 28196023. The reversal of 28196002 is 20069182.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22762441 + 5433561 = 4771^2 + 2331^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7048999 + ... + 7049002.

Almost surely, 2^28196002 is an apocalyptic number.

28196002 is a deficient number, since it is larger than the sum of its proper divisors (14098004).

28196002 is a wasteful number, since it uses less digits than its factorization.

28196002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14098003.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 28196002 is about 5309.9907721200. The cubic root of 28196002 is about 304.3657949562.

The spelling of 28196002 in words is "twenty-eight million, one hundred ninety-six thousand, two".