16726940 has 12 divisors (see below), whose sum is σ = 35126616. Its totient is φ = 6690768.

The previous prime is 16726921. The next prime is 16726943. The reversal of 16726940 is 4962761.

It is a self number, because there is not a number n which added to its sum of digits gives 16726940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16726943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418154 + ... + 418193.

It is an arithmetic number, because the mean of its divisors is an integer number (2927218).

Almost surely, 2^16726940 is an apocalyptic number.

16726940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16726940 is an abundant number, since it is smaller than the sum of its proper divisors (18399676).

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

16726940 is a wasteful number, since it uses less digits than its factorization.

16726940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836356 (or 836354 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 16726940 is about 4089.8581882505. The cubic root of 16726940 is about 255.7440271800.

The spelling of 16726940 in words is "sixteen million, seven hundred twenty-six thousand, nine hundred forty".