16938356 has 12 divisors (see below), whose sum is σ = 29759268. Its totient is φ = 8435712.

The previous prime is 16938353. The next prime is 16938359. The reversal of 16938356 is 65383961.

It is an interprime number because it is at equal distance from previous prime (16938353) and next prime (16938359).

It can be written as a sum of positive squares in 2 ways, for example, as 12460900 + 4477456 = 3530^2 + 2116^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16938353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7211 + ... + 9266.

It is an arithmetic number, because the mean of its divisors is an integer number (2479939).

Almost surely, 2^16938356 is an apocalyptic number.

It is an amenable number.

16938356 is a deficient number, since it is larger than the sum of its proper divisors (12820912).

16938356 is a wasteful number, since it uses less digits than its factorization.

16938356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16738 (or 16736 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 16938356 is about 4115.6234035684. The cubic root of 16938356 is about 256.8169903323.

The spelling of 16938356 in words is "sixteen million, nine hundred thirty-eight thousand, three hundred fifty-six".