16849471 has 8 divisors (see below), whose sum is σ = 17099264. Its totient is φ = 16601760.

The previous prime is 16849457. The next prime is 16849487. The reversal of 16849471 is 17494861.

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

It is a cyclic number.

It is not a de Polignac number, because 16849471 - 2⁵ = 16849439 is a prime.

It is a super-3 number, since 3×16849471³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16849411) 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, 22621 + ... + 23353.

It is an arithmetic number, because the mean of its divisors is an integer number (2137408).

Almost surely, 2^16849471 is an apocalyptic number.

16849471 is a deficient number, since it is larger than the sum of its proper divisors (249793).

16849471 is a wasteful number, since it uses less digits than its factorization.

16849471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041.

The product of its digits is 48384, while the sum is 40.

The square root of 16849471 is about 4104.8107142717. The cubic root of 16849471 is about 256.3669816070.

The spelling of 16849471 in words is "sixteen million, eight hundred forty-nine thousand, four hundred seventy-one".