28463206 has 4 divisors (see below), whose sum is σ = 42694812. Its totient is φ = 14231602.

The previous prime is 28463161. The next prime is 28463221. The reversal of 28463206 is 60236482.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7115800 + ... + 7115803.

It is an arithmetic number, because the mean of its divisors is an integer number (10673703).

Almost surely, 2^28463206 is an apocalyptic number.

28463206 is a deficient number, since it is larger than the sum of its proper divisors (14231606).

28463206 is a wasteful number, since it uses less digits than its factorization.

28463206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14231605.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 28463206 is about 5335.0919392265. The cubic root of 28463206 is about 305.3242310341.

Adding to 28463206 its reverse (60236482), we get a palindrome (88699688).

The spelling of 28463206 in words is "twenty-eight million, four hundred sixty-three thousand, two hundred six".