16927471 has 12 divisors (see below), whose sum is σ = 19310760. Its totient is φ = 14714480.

The previous prime is 16927453. The next prime is 16927487. The reversal of 16927471 is 17472961.

16927471 is a nontrivial binomial coefficient, being equal to C(5819, 2).

It is a de Polignac number, because none of the positive numbers 2^k-16927471 is a prime.

It is a super-3 number, since 3×16927471³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16927471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16927411) 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, 4365 + ... + 7273.

It is an arithmetic number, because the mean of its divisors is an integer number (1609230).

Almost surely, 2^16927471 is an apocalyptic number.

16927471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16927471 is the 5818-th triangular number.

16927471 is the 1940-th centered nonagonal number.

16927471 is a deficient number, since it is larger than the sum of its proper divisors (2383289).

16927471 is a wasteful number, since it uses less digits than its factorization.

16927471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966 (or 2943 counting only the distinct ones).

The product of its digits is 21168, while the sum is 37.

The square root of 16927471 is about 4114.3007911430. The cubic root of 16927471 is about 256.7619662603.

Subtracting 16927471 from its reverse (17472961), we obtain a triangular number (545490 = T₁₀₄₄).

The spelling of 16927471 in words is "sixteen million, nine hundred twenty-seven thousand, four hundred seventy-one".