16959434 has 4 divisors (see below), whose sum is σ = 25439154. Its totient is φ = 8479716.

The previous prime is 16959413. The next prime is 16959469. The reversal of 16959434 is 43495961.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15578809 + 1380625 = 3947^2 + 1175^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16959391 and 16959400.

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 as a sum of consecutive naturals, namely, 4239857 + ... + 4239860.

Almost surely, 2^16959434 is an apocalyptic number.

16959434 is a deficient number, since it is larger than the sum of its proper divisors (8479720).

16959434 is an equidigital number, since it uses as much as digits as its factorization.

16959434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8479719.

The product of its digits is 116640, while the sum is 41.

The square root of 16959434 is about 4118.1833373467. The cubic root of 16959434 is about 256.9234734072.

The spelling of 16959434 in words is "sixteen million, nine hundred fifty-nine thousand, four hundred thirty-four".