16420306 has 16 divisors (see below), whose sum is σ = 28252224. Its totient is φ = 7011504.

The previous prime is 16420279. The next prime is 16420319. The reversal of 16420306 is 60302461.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2101 + ... + 6103.

It is an arithmetic number, because the mean of its divisors is an integer number (1765764).

Almost surely, 2^16420306 is an apocalyptic number.

16420306 is a deficient number, since it is larger than the sum of its proper divisors (11831918).

16420306 is a wasteful number, since it uses less digits than its factorization.

16420306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 16420306 is about 4052.1976753362. The cubic root of 16420306 is about 254.1716346725.

Adding to 16420306 its reverse (60302461), we get a palindrome (76722767).

The spelling of 16420306 in words is "sixteen million, four hundred twenty thousand, three hundred six".