28708695 has 32 divisors (see below), whose sum is σ = 52804800. Its totient is φ = 14781312.

The previous prime is 28708661. The next prime is 28708717. The reversal of 28708695 is 59680782.

It is not a de Polignac number, because 28708695 - 2⁷ = 28708567 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 28708695.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249 + ... + 7581.

It is an arithmetic number, because the mean of its divisors is an integer number (1650150).

Almost surely, 2^28708695 is an apocalyptic number.

28708695 is a deficient number, since it is larger than the sum of its proper divisors (24096105).

28708695 is a wasteful number, since it uses less digits than its factorization.

28708695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7376 (or 7370 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 28708695 is about 5358.0495518425. The cubic root of 28708695 is about 306.1995046553.

It can be divided in two parts, 28708 and 695, that added together give a triangular number (29403 = T₂₄₂).

The spelling of 28708695 in words is "twenty-eight million, seven hundred eight thousand, six hundred ninety-five".