16834997 has 2 divisors, whose sum is σ = 16834998. Its totient is φ = 16834996.

The previous prime is 16834957. The next prime is 16834999. The reversal of 16834997 is 79943861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9647236 + 7187761 = 3106^2 + 2681^2 .

It is an emirp because it is prime and its reverse (79943861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16834997 - 2⁶ = 16834933 is a prime.

Together with 16834999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16834999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8417498 + 8417499.

It is an arithmetic number, because the mean of its divisors is an integer number (8417499).

Almost surely, 2^16834997 is an apocalyptic number.

It is an amenable number.

16834997 is a deficient number, since it is larger than the sum of its proper divisors (1).

16834997 is an equidigital number, since it uses as much as digits as its factorization.

16834997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The square root of 16834997 is about 4103.0472822038. The cubic root of 16834997 is about 256.2935526211.

The spelling of 16834997 in words is "sixteen million, eight hundred thirty-four thousand, nine hundred ninety-seven".