16346434 has 8 divisors (see below), whose sum is σ = 26405820. Its totient is φ = 7544496.

The previous prime is 16346423. The next prime is 16346437. The reversal of 16346434 is 43464361.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15233409 + 1113025 = 3903^2 + 1055^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 16346396 and 16346405.

It is not an unprimeable number, because it can be changed into a prime (16346437) 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, 314329 + ... + 314380.

Almost surely, 2^16346434 is an apocalyptic number.

16346434 is a deficient number, since it is larger than the sum of its proper divisors (10059386).

16346434 is a wasteful number, since it uses less digits than its factorization.

16346434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628724.

The product of its digits is 20736, while the sum is 31.

The square root of 16346434 is about 4043.0723466196. The cubic root of 16346434 is about 253.7899041809.

The spelling of 16346434 in words is "sixteen million, three hundred forty-six thousand, four hundred thirty-four".