16944037 has 4 divisors (see below), whose sum is σ = 18484416. Its totient is φ = 15403660.

The previous prime is 16944001. The next prime is 16944043. The reversal of 16944037 is 73044961.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73044961 = 11 ⋅6640451.

It is a cyclic number.

It is not a de Polignac number, because 16944037 - 2¹¹ = 16941989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16943993 and 16944011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16944097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770173 + ... + 770194.

It is an arithmetic number, because the mean of its divisors is an integer number (4621104).

Almost surely, 2^16944037 is an apocalyptic number.

It is an amenable number.

16944037 is a deficient number, since it is larger than the sum of its proper divisors (1540379).

16944037 is a wasteful number, since it uses less digits than its factorization.

16944037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540378.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 16944037 is about 4116.3135206153. The cubic root of 16944037 is about 256.8456986328.

Adding to 16944037 its reverse (73044961), we get a palindrome (89988998).

The spelling of 16944037 in words is "sixteen million, nine hundred forty-four thousand, thirty-seven".