16869747 has 8 divisors (see below), whose sum is σ = 22513360. Its totient is φ = 11236320.

The previous prime is 16869731. The next prime is 16869779. The reversal of 16869747 is 74796861.

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

It is not a de Polignac number, because 16869747 - 2⁴ = 16869731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16869696 and 16869705.

It is not an unprimeable number, because it can be changed into a prime (16869707) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3129 + ... + 6597.

It is an arithmetic number, because the mean of its divisors is an integer number (2814170).

Almost surely, 2^16869747 is an apocalyptic number.

16869747 is a deficient number, since it is larger than the sum of its proper divisors (5643613).

16869747 is a wasteful number, since it uses less digits than its factorization.

16869747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5093.

The product of its digits is 508032, while the sum is 48.

The square root of 16869747 is about 4107.2797567246. The cubic root of 16869747 is about 256.4697744138.

The spelling of 16869747 in words is "sixteen million, eight hundred sixty-nine thousand, seven hundred forty-seven".