16948243 has 4 divisors (see below), whose sum is σ = 18251968. Its totient is φ = 15644520.

The previous prime is 16948229. The next prime is 16948249. The reversal of 16948243 is 34284961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34284961 = 73 ⋅469657.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16948243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16948249) 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, 651843 + ... + 651868.

It is an arithmetic number, because the mean of its divisors is an integer number (4562992).

Almost surely, 2^16948243 is an apocalyptic number.

16948243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16948243 is a deficient number, since it is larger than the sum of its proper divisors (1303725).

16948243 is a wasteful number, since it uses less digits than its factorization.

16948243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303724.

The product of its digits is 41472, while the sum is 37.

The square root of 16948243 is about 4116.8243829437. The cubic root of 16948243 is about 256.8669490514.

The spelling of 16948243 in words is "sixteen million, nine hundred forty-eight thousand, two hundred forty-three".