16940041 has 8 divisors (see below), whose sum is σ = 17978760. Its totient is φ = 15906048.

The previous prime is 16940009. The next prime is 16940057. The reversal of 16940041 is 14004961.

It can be written as a sum of positive squares in 4 ways, for example, as 4968441 + 11971600 = 2229^2 + 3460^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16940041 - 2⁵ = 16940009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16939988 and 16940015.

It is not an unprimeable number, because it can be changed into a prime (16940071) 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, 8575 + ... + 10363.

It is an arithmetic number, because the mean of its divisors is an integer number (2247345).

Almost surely, 2^16940041 is an apocalyptic number.

It is an amenable number.

16940041 is a deficient number, since it is larger than the sum of its proper divisors (1038719).

16940041 is a wasteful number, since it uses less digits than its factorization.

16940041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 16940041 is about 4115.8281062260. The cubic root of 16940041 is about 256.8255059616.

The spelling of 16940041 in words is "sixteen million, nine hundred forty thousand, forty-one".