16396471 has 8 divisors (see below), whose sum is σ = 20180384. Its totient is φ = 12972960.

The previous prime is 16396469. The next prime is 16396481. The reversal of 16396471 is 17469361.

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

It is not a de Polignac number, because 16396471 - 2¹ = 16396469 is a prime.

It is a super-3 number, since 3×16396471³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 16396471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16396481) 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, 90000 + ... + 90181.

It is an arithmetic number, because the mean of its divisors is an integer number (2522548).

Almost surely, 2^16396471 is an apocalyptic number.

16396471 is a deficient number, since it is larger than the sum of its proper divisors (3783913).

16396471 is a wasteful number, since it uses less digits than its factorization.

16396471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180201.

The product of its digits is 27216, while the sum is 37.

The square root of 16396471 is about 4049.2556106030. The cubic root of 16396471 is about 254.0485936333.

The spelling of 16396471 in words is "sixteen million, three hundred ninety-six thousand, four hundred seventy-one".