28502006 has 16 divisors (see below), whose sum is σ = 46799088. Its totient is φ = 12938400.

The previous prime is 28501999. The next prime is 28502009. The reversal of 28502006 is 60020582.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28502009) 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 7 ways as a sum of consecutive naturals, for example, 7400 + ... + 10571.

It is an arithmetic number, because the mean of its divisors is an integer number (2924943).

Almost surely, 2^28502006 is an apocalyptic number.

28502006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28502006 is a deficient number, since it is larger than the sum of its proper divisors (18297082).

28502006 is a wasteful number, since it uses less digits than its factorization.

28502006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18047.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 28502006 is about 5338.7270018236. The cubic root of 28502006 is about 305.4629036453.

Adding to 28502006 its reverse (60020582), we get a palindrome (88522588).

The spelling of 28502006 in words is "twenty-eight million, five hundred two thousand, six".