16838317 has 2 divisors, whose sum is σ = 16838318. Its totient is φ = 16838316.

The previous prime is 16838309. The next prime is 16838329. The reversal of 16838317 is 71383861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16410601 + 427716 = 4051^2 + 654^2 .

It is a cyclic number.

It is not a de Polignac number, because 16838317 - 2³ = 16838309 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16838377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8419158 + 8419159.

It is an arithmetic number, because the mean of its divisors is an integer number (8419159).

Almost surely, 2^16838317 is an apocalyptic number.

It is an amenable number.

16838317 is a deficient number, since it is larger than the sum of its proper divisors (1).

16838317 is an equidigital number, since it uses as much as digits as its factorization.

16838317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 37.

The square root of 16838317 is about 4103.4518396102. The cubic root of 16838317 is about 256.3103992466.

It can be divided in two parts, 1683 and 8317, that added together give a 4-th power (10000 = 10⁴).

The spelling of 16838317 in words is "sixteen million, eight hundred thirty-eight thousand, three hundred seventeen".