28988206 has 8 divisors (see below), whose sum is σ = 46827144. Its totient is φ = 13379160.

The previous prime is 28988171. The next prime is 28988207. The reversal of 28988206 is 60288982.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28988207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557440 + ... + 557491.

It is an arithmetic number, because the mean of its divisors is an integer number (5853393).

Almost surely, 2^28988206 is an apocalyptic number.

28988206 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

28988206 is a deficient number, since it is larger than the sum of its proper divisors (17838938).

28988206 is a wasteful number, since it uses less digits than its factorization.

28988206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114946.

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 28988206 is about 5384.0696503667. The cubic root of 28988206 is about 307.1900276055.

The spelling of 28988206 in words is "twenty-eight million, nine hundred eighty-eight thousand, two hundred six".