28886614 has 4 divisors (see below), whose sum is σ = 43329924. Its totient is φ = 14443306.

The previous prime is 28886579. The next prime is 28886617. The reversal of 28886614 is 41668882.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28886617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7221652 + ... + 7221655.

It is an arithmetic number, because the mean of its divisors is an integer number (10832481).

Almost surely, 2^28886614 is an apocalyptic number.

28886614 is a deficient number, since it is larger than the sum of its proper divisors (14443310).

28886614 is a wasteful number, since it uses less digits than its factorization.

28886614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14443309.

The product of its digits is 147456, while the sum is 43.

The square root of 28886614 is about 5374.6268707697. The cubic root of 28886614 is about 306.8307484139.

The spelling of 28886614 in words is "twenty-eight million, eight hundred eighty-six thousand, six hundred fourteen".