16898789 has 2 divisors, whose sum is σ = 16898790. Its totient is φ = 16898788.

The previous prime is 16898773. The next prime is 16898797. The reversal of 16898789 is 98789861.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10857025 + 6041764 = 3295^2 + 2458^2 .

It is a cyclic number.

It is not a de Polignac number, because 16898789 - 2⁴ = 16898773 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16898719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8449394 + 8449395.

It is an arithmetic number, because the mean of its divisors is an integer number (8449395).

Almost surely, 2^16898789 is an apocalyptic number.

It is an amenable number.

16898789 is a deficient number, since it is larger than the sum of its proper divisors (1).

16898789 is an equidigital number, since it uses as much as digits as its factorization.

16898789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 56.

The square root of 16898789 is about 4110.8136664169. The cubic root of 16898789 is about 256.6168646463.

The spelling of 16898789 in words is "sixteen million, eight hundred ninety-eight thousand, seven hundred eighty-nine".