28902002 has 8 divisors (see below), whose sum is σ = 45634800. Its totient is φ = 13690404.

The previous prime is 28902001. The next prime is 28902017. The reversal of 28902002 is 20020982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28902001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380252 + ... + 380327.

It is an arithmetic number, because the mean of its divisors is an integer number (5704350).

Almost surely, 2^28902002 is an apocalyptic number.

28902002 is a deficient number, since it is larger than the sum of its proper divisors (16732798).

28902002 is a wasteful number, since it uses less digits than its factorization.

28902002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760600.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 28902002 is about 5376.0582214109. The cubic root of 28902002 is about 306.8852220122.

Adding to 28902002 its reverse (20020982), we get a palindrome (48922984).

The spelling of 28902002 in words is "twenty-eight million, nine hundred two thousand, two".