28371214 has 4 divisors (see below), whose sum is σ = 42556824. Its totient is φ = 14185606.

The previous prime is 28371197. The next prime is 28371227. The reversal of 28371214 is 41217382.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7092802 + ... + 7092805.

It is an arithmetic number, because the mean of its divisors is an integer number (10639206).

Almost surely, 2^28371214 is an apocalyptic number.

28371214 is a deficient number, since it is larger than the sum of its proper divisors (14185610).

28371214 is a wasteful number, since it uses less digits than its factorization.

28371214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14185609.

The product of its digits is 2688, while the sum is 28.

The square root of 28371214 is about 5326.4635547425. The cubic root of 28371214 is about 304.9949439277.

Adding to 28371214 its reverse (41217382), we get a palindrome (69588596).

The spelling of 28371214 in words is "twenty-eight million, three hundred seventy-one thousand, two hundred fourteen".