16315394 has 8 divisors (see below), whose sum is σ = 24490620. Its totient is φ = 8151856.

The previous prime is 16315379. The next prime is 16315421. The reversal of 16315394 is 49351361.

It can be written as a sum of positive squares in 2 ways, for example, as 14341369 + 1974025 = 3787^2 + 1405^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16315394.

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 in 3 ways as a sum of consecutive naturals, for example, 2852 + ... + 6384.

Almost surely, 2^16315394 is an apocalyptic number.

16315394 is a deficient number, since it is larger than the sum of its proper divisors (8175226).

16315394 is a wasteful number, since it uses less digits than its factorization.

16315394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5844.

The product of its digits is 9720, while the sum is 32.

The square root of 16315394 is about 4039.2318576680. The cubic root of 16315394 is about 253.6291631056.

The spelling of 16315394 in words is "sixteen million, three hundred fifteen thousand, three hundred ninety-four".