1993008343 has 8 divisors (see below), whose sum is σ = 2033622288. Its totient is φ = 1952505984.

The previous prime is 1993008317. The next prime is 1993008349. The reversal of 1993008343 is 3438003991.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1993008343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1993008296 and 1993008305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1993008349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8671 + ... + 63727.

It is an arithmetic number, because the mean of its divisors is an integer number (254202786).

Almost surely, 2^1993008343 is an apocalyptic number.

1993008343 is a deficient number, since it is larger than the sum of its proper divisors (40613945).

1993008343 is an equidigital number, since it uses as much as digits as its factorization.

1993008343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55793.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 1993008343 is about 44643.1220122428. The cubic root of 1993008343 is about 1258.4511797860.

The spelling of 1993008343 in words is "one billion, nine hundred ninety-three million, eight thousand, three hundred forty-three".