349473943 has 48 divisors (see below), whose sum is σ = 461346816. Its totient is φ = 257463360.

The previous prime is 349473931. The next prime is 349473977. The reversal of 349473943 is 349374943.

It is not a de Polignac number, because 349473943 - 2¹³ = 349465751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 349473893 and 349473902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349476943) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5215996 + ... + 5216062.

It is an arithmetic number, because the mean of its divisors is an integer number (9611392).

Almost surely, 2^349473943 is an apocalyptic number.

349473943 is a deficient number, since it is larger than the sum of its proper divisors (111872873).

349473943 is a wasteful number, since it uses less digits than its factorization.

349473943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 161 counting only the distinct ones).

The product of its digits is 979776, while the sum is 46.

The square root of 349473943 is about 18694.2221822680. Note that the first 3 decimals coincide. The cubic root of 349473943 is about 704.3766218013.

The spelling of 349473943 in words is "three hundred forty-nine million, four hundred seventy-three thousand, nine hundred forty-three".