28989714 has 16 divisors (see below), whose sum is σ = 62439552. Its totient is φ = 8919888.

The previous prime is 28989707. The next prime is 28989721. The reversal of 28989714 is 41798982.

It is an interprime number because it is at equal distance from previous prime (28989707) and next prime (28989721).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185754 + ... + 185909.

It is an arithmetic number, because the mean of its divisors is an integer number (3902472).

Almost surely, 2^28989714 is an apocalyptic number.

28989714 is an abundant number, since it is smaller than the sum of its proper divisors (33449838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28989714 is a wasteful number, since it uses less digits than its factorization.

28989714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371681.

The product of its digits is 290304, while the sum is 48.

The square root of 28989714 is about 5384.2096913103. The cubic root of 28989714 is about 307.1953543066.

The spelling of 28989714 in words is "twenty-eight million, nine hundred eighty-nine thousand, seven hundred fourteen".