16394426 has 8 divisors (see below), whose sum is σ = 26038260. Its totient is φ = 7715008.

The previous prime is 16394419. The next prime is 16394429. The reversal of 16394426 is 62449361.

It can be written as a sum of positive squares in 2 ways, for example, as 16394401 + 25 = 4049^2 + 5^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16394429) 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, 241061 + ... + 241128.

Almost surely, 2^16394426 is an apocalyptic number.

16394426 is a deficient number, since it is larger than the sum of its proper divisors (9643834).

16394426 is a wasteful number, since it uses less digits than its factorization.

16394426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482208.

The product of its digits is 31104, while the sum is 35.

The square root of 16394426 is about 4049.0030871808. The cubic root of 16394426 is about 254.0380313814.

The spelling of 16394426 in words is "sixteen million, three hundred ninety-four thousand, four hundred twenty-six".