16348943 has 4 divisors (see below), whose sum is σ = 17606568. Its totient is φ = 15091320.

The previous prime is 16348939. The next prime is 16348967. The reversal of 16348943 is 34984361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16348943 - 2² = 16348939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16348897 and 16348906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16348933) 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, 628793 + ... + 628818.

It is an arithmetic number, because the mean of its divisors is an integer number (4401642).

Almost surely, 2^16348943 is an apocalyptic number.

16348943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16348943 is a deficient number, since it is larger than the sum of its proper divisors (1257625).

16348943 is a wasteful number, since it uses less digits than its factorization.

16348943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257624.

The product of its digits is 62208, while the sum is 38.

The square root of 16348943 is about 4043.3826185510. The cubic root of 16348943 is about 253.8028881808.

The spelling of 16348943 in words is "sixteen million, three hundred forty-eight thousand, nine hundred forty-three".