28980214 has 4 divisors (see below), whose sum is σ = 43470324. Its totient is φ = 14490106.

The previous prime is 28980199. The next prime is 28980221. The reversal of 28980214 is 41208982.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28980214.

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, 7245052 + ... + 7245055.

It is an arithmetic number, because the mean of its divisors is an integer number (10867581).

Almost surely, 2^28980214 is an apocalyptic number.

28980214 is a deficient number, since it is larger than the sum of its proper divisors (14490110).

28980214 is a wasteful number, since it uses less digits than its factorization.

28980214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14490109.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 28980214 is about 5383.3274096975. The cubic root of 28980214 is about 307.1617944181.

The spelling of 28980214 in words is "twenty-eight million, nine hundred eighty thousand, two hundred fourteen".