28620014 has 8 divisors (see below), whose sum is σ = 42952728. Its totient is φ = 14302440.

The previous prime is 28619957. The next prime is 28620017. The reversal of 28620014 is 41002682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28620017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5444 + ... + 9320.

It is an arithmetic number, because the mean of its divisors is an integer number (5369091).

Almost surely, 2^28620014 is an apocalyptic number.

28620014 is a deficient number, since it is larger than the sum of its proper divisors (14332714).

28620014 is a wasteful number, since it uses less digits than its factorization.

28620014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7570.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 28620014 is about 5349.7676585063. The cubic root of 28620014 is about 305.8838966029.

Adding to 28620014 its reverse (41002682), we get a palindrome (69622696).

The spelling of 28620014 in words is "twenty-eight million, six hundred twenty thousand, fourteen".