28475206 has 4 divisors (see below), whose sum is σ = 42712812. Its totient is φ = 14237602.

The previous prime is 28475203. The next prime is 28475261. The reversal of 28475206 is 60257482.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60257482 = 2 ⋅30128741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28475203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7118800 + ... + 7118803.

It is an arithmetic number, because the mean of its divisors is an integer number (10678203).

Almost surely, 2^28475206 is an apocalyptic number.

28475206 is a deficient number, since it is larger than the sum of its proper divisors (14237606).

28475206 is a wasteful number, since it uses less digits than its factorization.

28475206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14237605.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 28475206 is about 5336.2164498828. The cubic root of 28475206 is about 305.3671329241.

The spelling of 28475206 in words is "twenty-eight million, four hundred seventy-five thousand, two hundred six".