28769206 has 4 divisors (see below), whose sum is σ = 43153812. Its totient is φ = 14384602.

The previous prime is 28769203. The next prime is 28769207. The reversal of 28769206 is 60296782.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28769201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7192300 + ... + 7192303.

It is an arithmetic number, because the mean of its divisors is an integer number (10788453).

Almost surely, 2^28769206 is an apocalyptic number.

28769206 is a deficient number, since it is larger than the sum of its proper divisors (14384606).

28769206 is a wasteful number, since it uses less digits than its factorization.

28769206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14384605.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 28769206 is about 5363.6933171090. The cubic root of 28769206 is about 306.4144852344.

The spelling of 28769206 in words is "twenty-eight million, seven hundred sixty-nine thousand, two hundred six".