16849872 has 60 divisors (see below), whose sum is σ = 50789284. Its totient is φ = 5184000.

The previous prime is 16849867. The next prime is 16849883. The reversal of 16849872 is 27894861.

It can be written as a sum of positive squares in 2 ways, for example, as 2742336 + 14107536 = 1656^2 + 3756^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2629 + ... + 6372.

Almost surely, 2^16849872 is an apocalyptic number.

16849872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16849872 is an abundant number, since it is smaller than the sum of its proper divisors (33939412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16849872 is a wasteful number, since it uses less digits than its factorization.

16849872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9028 (or 9019 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 16849872 is about 4104.8595591080. The cubic root of 16849872 is about 256.3690153473.

The spelling of 16849872 in words is "sixteen million, eight hundred forty-nine thousand, eight hundred seventy-two".