28350705 has 16 divisors (see below), whose sum is σ = 45465984. Its totient is φ = 15085440.

The previous prime is 28350691. The next prime is 28350727. The reversal of 28350705 is 50705382.

It is a happy number.

It is not a de Polignac number, because 28350705 - 2⁴ = 28350689 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5365 + ... + 9245.

It is an arithmetic number, because the mean of its divisors is an integer number (2841624).

Almost surely, 2^28350705 is an apocalyptic number.

It is an amenable number.

28350705 is a deficient number, since it is larger than the sum of its proper divisors (17115279).

28350705 is a wasteful number, since it uses less digits than its factorization.

28350705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4376.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 28350705 is about 5324.5380081280. The cubic root of 28350705 is about 304.9214345700.

The spelling of 28350705 in words is "twenty-eight million, three hundred fifty thousand, seven hundred five".