16849789 has 8 divisors (see below), whose sum is σ = 19349280. Its totient is φ = 14511600.

The previous prime is 16849759. The next prime is 16849793. The reversal of 16849789 is 98794861.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16849789 - 2⁹ = 16849277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16849759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40102 + ... + 40519.

It is an arithmetic number, because the mean of its divisors is an integer number (2418660).

Almost surely, 2^16849789 is an apocalyptic number.

16849789 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16849789 is a deficient number, since it is larger than the sum of its proper divisors (2499491).

16849789 is a wasteful number, since it uses less digits than its factorization.

16849789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80651.

The product of its digits is 870912, while the sum is 52.

The square root of 16849789 is about 4104.8494491272. The cubic root of 16849789 is about 256.3685944012.

The spelling of 16849789 in words is "sixteen million, eight hundred forty-nine thousand, seven hundred eighty-nine".