16888349 has 2 divisors, whose sum is σ = 16888350. Its totient is φ = 16888348.

The previous prime is 16888343. The next prime is 16888357. The reversal of 16888349 is 94388861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16662724 + 225625 = 4082^2 + 475^2 .

It is a cyclic number.

It is not a de Polignac number, because 16888349 - 2¹² = 16884253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16888343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8444174 + 8444175.

It is an arithmetic number, because the mean of its divisors is an integer number (8444175).

Almost surely, 2^16888349 is an apocalyptic number.

It is an amenable number.

16888349 is a deficient number, since it is larger than the sum of its proper divisors (1).

16888349 is an equidigital number, since it uses as much as digits as its factorization.

16888349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 47.

The square root of 16888349 is about 4109.5436486306. The cubic root of 16888349 is about 256.5640081573.

The spelling of 16888349 in words is "sixteen million, eight hundred eighty-eight thousand, three hundred forty-nine".