28622735 has 16 divisors (see below), whose sum is σ = 35688576. Its totient is φ = 22020768.

The previous prime is 28622731. The next prime is 28622743. The reversal of 28622735 is 53722682.

It is a cyclic number.

It is not a de Polignac number, because 28622735 - 2² = 28622731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28622695 and 28622704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28622731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13412 + ... + 15398.

It is an arithmetic number, because the mean of its divisors is an integer number (2230536).

Almost surely, 2^28622735 is an apocalyptic number.

28622735 is a deficient number, since it is larger than the sum of its proper divisors (7065841).

28622735 is a wasteful number, since it uses less digits than its factorization.

28622735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102.

The product of its digits is 40320, while the sum is 35.

The square root of 28622735 is about 5350.0219625717. The cubic root of 28622735 is about 305.8935900958.

The spelling of 28622735 in words is "twenty-eight million, six hundred twenty-two thousand, seven hundred thirty-five".