16948749 has 8 divisors (see below), whose sum is σ = 22662720. Its totient is φ = 11266976.

The previous prime is 16948733. The next prime is 16948781. The reversal of 16948749 is 94784961.

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 16948749 - 2⁴ = 16948733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16948698 and 16948707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16948049) 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, 6792 + ... + 8945.

It is an arithmetic number, because the mean of its divisors is an integer number (2832840).

Almost surely, 2^16948749 is an apocalyptic number.

It is an amenable number.

16948749 is a deficient number, since it is larger than the sum of its proper divisors (5713971).

16948749 is a wasteful number, since it uses less digits than its factorization.

16948749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16099.

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

The square root of 16948749 is about 4116.8858376205. The cubic root of 16948749 is about 256.8695053318.

The spelling of 16948749 in words is "sixteen million, nine hundred forty-eight thousand, seven hundred forty-nine".