28782614 has 16 divisors (see below), whose sum is σ = 51487488. Its totient is φ = 11798952.

The previous prime is 28782613. The next prime is 28782641. The reversal of 28782614 is 41628782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28782613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44372 + ... + 45015.

It is an arithmetic number, because the mean of its divisors is an integer number (3217968).

Almost surely, 2^28782614 is an apocalyptic number.

28782614 is a deficient number, since it is larger than the sum of its proper divisors (22704874).

28782614 is a wasteful number, since it uses less digits than its factorization.

28782614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89419.

The product of its digits is 43008, while the sum is 38.

The square root of 28782614 is about 5364.9430565478. The cubic root of 28782614 is about 306.4620797276.

The spelling of 28782614 in words is "twenty-eight million, seven hundred eighty-two thousand, six hundred fourteen".