16938245 has 8 divisors (see below), whose sum is σ = 20981760. Its totient is φ = 13113360.

The previous prime is 16938211. The next prime is 16938287. The reversal of 16938245 is 54283961.

It is a happy number.

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

It is not a de Polignac number, because 16938245 - 2²⁰ = 15889669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16938199 and 16938208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54485 + ... + 54794.

It is an arithmetic number, because the mean of its divisors is an integer number (2622720).

Almost surely, 2^16938245 is an apocalyptic number.

It is an amenable number.

16938245 is a deficient number, since it is larger than the sum of its proper divisors (4043515).

16938245 is a wasteful number, since it uses less digits than its factorization.

16938245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109315.

The product of its digits is 51840, while the sum is 38.

The square root of 16938245 is about 4115.6099183475. The cubic root of 16938245 is about 256.8164293423.

The spelling of 16938245 in words is "sixteen million, nine hundred thirty-eight thousand, two hundred forty-five".