28210114 has 4 divisors (see below), whose sum is σ = 42315174. Its totient is φ = 14105056.

The previous prime is 28210109. The next prime is 28210139. The reversal of 28210114 is 41101282.

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., 24850225 + 3359889 = 4985^2 + 1833^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28210091 and 28210100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7052527 + ... + 7052530.

Almost surely, 2^28210114 is an apocalyptic number.

28210114 is a deficient number, since it is larger than the sum of its proper divisors (14105060).

28210114 is a wasteful number, since it uses less digits than its factorization.

28210114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14105059.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 28210114 is about 5311.3194217633. The cubic root of 28210114 is about 304.4165644911.

Adding to 28210114 its reverse (41101282), we get a palindrome (69311396).

The spelling of 28210114 in words is "twenty-eight million, two hundred ten thousand, one hundred fourteen".