16927965 has 24 divisors (see below), whose sum is σ = 29610360. Its totient is φ = 8945664.

The previous prime is 16927961. The next prime is 16927973. The reversal of 16927965 is 56972961.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 60516 + 16867449 = 246^2 + 4107^2 .

It is not a de Polignac number, because 16927965 - 2² = 16927961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 16927965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16927961) 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 23 ways as a sum of consecutive naturals, for example, 3421 + ... + 6749.

It is an arithmetic number, because the mean of its divisors is an integer number (1233765).

Almost surely, 2^16927965 is an apocalyptic number.

16927965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16927965 is a deficient number, since it is larger than the sum of its proper divisors (12682395).

16927965 is a wasteful number, since it uses less digits than its factorization.

16927965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453 (or 3450 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 16927965 is about 4114.3608252072. The cubic root of 16927965 is about 256.7644639592.

The spelling of 16927965 in words is "sixteen million, nine hundred twenty-seven thousand, nine hundred sixty-five".