349671961 has 8 divisors (see below), whose sum is σ = 351764424. Its totient is φ = 347585280.

The previous prime is 349671923. The next prime is 349671983. The reversal of 349671961 is 169176943.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 35283600 + 314388361 = 5940^2 + 17731^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 349671961 - 2¹¹ = 349669913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349671911) 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, 185355 + ... + 187231.

It is an arithmetic number, because the mean of its divisors is an integer number (43970553).

Almost surely, 2^349671961 is an apocalyptic number.

It is an amenable number.

349671961 is a deficient number, since it is larger than the sum of its proper divisors (2092463).

349671961 is a wasteful number, since it uses less digits than its factorization.

349671961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891.

The product of its digits is 244944, while the sum is 46.

The square root of 349671961 is about 18699.5176675763. The cubic root of 349671961 is about 704.5096340208.

It can be divided in two parts, 3496 and 71961, that added together give a palindrome (75457).

The spelling of 349671961 in words is "three hundred forty-nine million, six hundred seventy-one thousand, nine hundred sixty-one".