349930943 has 4 divisors (see below), whose sum is σ = 351292800. Its totient is φ = 348569088.

The previous prime is 349930939. The next prime is 349930967. The reversal of 349930943 is 349039943.

It is a happy number.

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 349930943 - 2² = 349930939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 349930894 and 349930903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349930913) 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, 680543 + ... + 681056.

It is an arithmetic number, because the mean of its divisors is an integer number (87823200).

Almost surely, 2^349930943 is an apocalyptic number.

349930943 is a deficient number, since it is larger than the sum of its proper divisors (1361857).

349930943 is a wasteful number, since it uses less digits than its factorization.

349930943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361856.

The product of its (nonzero) digits is 314928, while the sum is 44.

The square root of 349930943 is about 18706.4412168643. The cubic root of 349930943 is about 704.6835210808.

The spelling of 349930943 in words is "three hundred forty-nine million, nine hundred thirty thousand, nine hundred forty-three".