16947417 has 8 divisors (see below), whose sum is σ = 22621696. Its totient is φ = 11285712.

The previous prime is 16947377. The next prime is 16947431. The reversal of 16947417 is 71474961.

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

It is not a de Polignac number, because 16947417 - 2¹² = 16943321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16947017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663 + ... + 5859.

It is an arithmetic number, because the mean of its divisors is an integer number (2827712).

Almost surely, 2^16947417 is an apocalyptic number.

It is an amenable number.

16947417 is a deficient number, since it is larger than the sum of its proper divisors (5674279).

16947417 is a wasteful number, since it uses less digits than its factorization.

16947417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6287.

The product of its digits is 42336, while the sum is 39.

The square root of 16947417 is about 4116.7240616782. The cubic root of 16947417 is about 256.8627760417.

It can be divided in two parts, 169 and 47417, that added together give a triangular number (47586 = T₃₀₈).

The spelling of 16947417 in words is "sixteen million, nine hundred forty-seven thousand, four hundred seventeen".