348993993 has 8 divisors (see below), whose sum is σ = 472953856. Its totient is φ = 228848400.

The previous prime is 348993989. The next prime is 348994021. The reversal of 348993993 is 399399843.

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

It is not a de Polignac number, because 348993993 - 2² = 348993989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348993943) 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, 953353 + ... + 953718.

It is an arithmetic number, because the mean of its divisors is an integer number (59119232).

Almost surely, 2^348993993 is an apocalyptic number.

It is an amenable number.

348993993 is a deficient number, since it is larger than the sum of its proper divisors (123959863).

348993993 is a wasteful number, since it uses less digits than its factorization.

348993993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907135.

The product of its digits is 5668704, while the sum is 57.

The square root of 348993993 is about 18681.3809179086. The cubic root of 348993993 is about 704.0540222243.

The spelling of 348993993 in words is "three hundred forty-eight million, nine hundred ninety-three thousand, nine hundred ninety-three".