28616735 has 12 divisors (see below), whose sum is σ = 39946968. Its totient is φ = 19622736.

The previous prime is 28616719. The next prime is 28616737. The reversal of 28616735 is 53761682.

It is not a de Polignac number, because 28616735 - 2⁴ = 28616719 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28616737) 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 in 11 ways as a sum of consecutive naturals, for example, 58157 + ... + 58646.

It is an arithmetic number, because the mean of its divisors is an integer number (3328914).

Almost surely, 2^28616735 is an apocalyptic number.

28616735 is a deficient number, since it is larger than the sum of its proper divisors (11330233).

28616735 is a wasteful number, since it uses less digits than its factorization.

28616735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116822 (or 116815 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 28616735 is about 5349.4611878207. The cubic root of 28616735 is about 305.8722144329.

The spelling of 28616735 in words is "twenty-eight million, six hundred sixteen thousand, seven hundred thirty-five".