16427338 has 24 divisors (see below), whose sum is σ = 26535852. Its totient is φ = 7624704.

The previous prime is 16427329. The next prime is 16427351. The reversal of 16427338 is 83372461.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 15499969 + 927369 = 3937^2 + 963^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 55920 + ... + 56212.

Almost surely, 2^16427338 is an apocalyptic number.

16427338 is a deficient number, since it is larger than the sum of its proper divisors (10108514).

16427338 is a wasteful number, since it uses less digits than its factorization.

16427338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 409 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 16427338 is about 4053.0652597756. The cubic root of 16427338 is about 254.2079125156.

Adding to 16427338 its reverse (83372461), we get a palindrome (99799799).

The spelling of 16427338 in words is "sixteen million, four hundred twenty-seven thousand, three hundred thirty-eight".