16406936 has 64 divisors (see below), whose sum is σ = 39137280. Its totient is φ = 6272640.

The previous prime is 16406933. The next prime is 16406941. The reversal of 16406936 is 63960461.

It is a junction number, because it is equal to n+sod(n) for n = 16406896 and 16406905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16406933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22205 + ... + 22931.

It is an arithmetic number, because the mean of its divisors is an integer number (611520).

Almost surely, 2^16406936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16406936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19568640).

16406936 is an abundant number, since it is smaller than the sum of its proper divisors (22730344).

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

16406936 is a wasteful number, since it uses less digits than its factorization.

16406936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 16406936 is about 4050.5476172982. The cubic root of 16406936 is about 254.1026307310.

The spelling of 16406936 in words is "sixteen million, four hundred six thousand, nine hundred thirty-six".