28390114 has 8 divisors (see below), whose sum is σ = 42867648. Its totient is φ = 14100900.

The previous prime is 28390097. The next prime is 28390121. The reversal of 28390114 is 41109382.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46702 + ... + 47305.

It is an arithmetic number, because the mean of its divisors is an integer number (5358456).

Almost surely, 2^28390114 is an apocalyptic number.

28390114 is a deficient number, since it is larger than the sum of its proper divisors (14477534).

28390114 is a wasteful number, since it uses less digits than its factorization.

28390114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94160.

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

The square root of 28390114 is about 5328.2374196351. The cubic root of 28390114 is about 305.0626548698.

Adding to 28390114 its reverse (41109382), we get a palindrome (69499496).

The spelling of 28390114 in words is "twenty-eight million, three hundred ninety thousand, one hundred fourteen".