349161943 has 24 divisors (see below), whose sum is σ = 394225920. Its totient is φ = 308730240.

The previous prime is 349161931. The next prime is 349161971.

349161943 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 349161943 - 2¹³ = 349153751 is a prime.

It is a super-4 number, since 4×349161943⁴ (a number of 35 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 349161896 and 349161905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349161143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 935905 + ... + 936277.

It is an arithmetic number, because the mean of its divisors is an integer number (16426080).

Almost surely, 2^349161943 is an apocalyptic number.

349161943 is a deficient number, since it is larger than the sum of its proper divisors (45063977).

349161943 is a wasteful number, since it uses less digits than its factorization.

349161943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 606 counting only the distinct ones).

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

The square root of 349161943 is about 18685.8754946082. The cubic root of 349161943 is about 704.1669438526.

The spelling of 349161943 in words is "three hundred forty-nine million, one hundred sixty-one thousand, nine hundred forty-three".