16748949 has 8 divisors (see below), whose sum is σ = 25522240. Its totient is φ = 9570816.

The previous prime is 16748939. The next prime is 16748983. The reversal of 16748949 is 94984761.

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

It is a de Polignac number, because none of the positive numbers 2^k-16748949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16748898 and 16748907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16748909) 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, 398764 + ... + 398805.

It is an arithmetic number, because the mean of its divisors is an integer number (3190280).

Almost surely, 2^16748949 is an apocalyptic number.

It is an amenable number.

16748949 is a deficient number, since it is larger than the sum of its proper divisors (8773291).

16748949 is an equidigital number, since it uses as much as digits as its factorization.

16748949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797579.

The product of its digits is 435456, while the sum is 48.

The square root of 16748949 is about 4092.5479838360. The cubic root of 16748949 is about 255.8561457823.

The spelling of 16748949 in words is "sixteen million, seven hundred forty-eight thousand, nine hundred forty-nine".