16943427 has 12 divisors (see below), whose sum is σ = 24579360. Its totient is φ = 11246928.

The previous prime is 16943417. The next prime is 16943431. The reversal of 16943427 is 72434961.

It is not a de Polignac number, because 16943427 - 2⁶ = 16943363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16943391 and 16943400.

It is not an unprimeable number, because it can be changed into a prime (16943417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1788 + ... + 6089.

It is an arithmetic number, because the mean of its divisors is an integer number (2048280).

Almost surely, 2^16943427 is an apocalyptic number.

16943427 is a deficient number, since it is larger than the sum of its proper divisors (7635933).

16943427 is a wasteful number, since it uses less digits than its factorization.

16943427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8122 (or 8119 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 16943427 is about 4116.2394245233. The cubic root of 16943427 is about 256.8426163734.

The spelling of 16943427 in words is "sixteen million, nine hundred forty-three thousand, four hundred twenty-seven".