16853420 has 24 divisors (see below), whose sum is σ = 36217104. Its totient is φ = 6584256.

The previous prime is 16853413. The next prime is 16853423. The reversal of 16853420 is 2435861.

It is not an unprimeable number, because it can be changed into a prime (16853423) 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, 8939 + ... + 10658.

It is an arithmetic number, because the mean of its divisors is an integer number (1509046).

Almost surely, 2^16853420 is an apocalyptic number.

16853420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16853420 is an abundant number, since it is smaller than the sum of its proper divisors (19363684).

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

16853420 is a wasteful number, since it uses less digits than its factorization.

16853420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19649 (or 19647 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 16853420 is about 4105.2917070532. The cubic root of 16853420 is about 256.3870082324.

The spelling of 16853420 in words is "sixteen million, eight hundred fifty-three thousand, four hundred twenty".