28350406 has 8 divisors (see below), whose sum is σ = 48600720. Its totient is φ = 12150168.

The previous prime is 28350403. The next prime is 28350431. The reversal of 28350406 is 60405382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28350403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012501 + ... + 1012528.

It is an arithmetic number, because the mean of its divisors is an integer number (6075090).

Almost surely, 2^28350406 is an apocalyptic number.

28350406 is a deficient number, since it is larger than the sum of its proper divisors (20250314).

28350406 is a wasteful number, since it uses less digits than its factorization.

28350406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025038.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 28350406 is about 5324.5099305006. The cubic root of 28350406 is about 304.9203626175.

Adding to 28350406 its reverse (60405382), we get a palindrome (88755788).

The spelling of 28350406 in words is "twenty-eight million, three hundred fifty thousand, four hundred six".