343964349 has 12 divisors (see below), whose sum is σ = 526063356. Its totient is φ = 215820672.

The previous prime is 343964347. The next prime is 343964359. The reversal of 343964349 is 943469343.

It can be written as a sum of positive squares in 2 ways, for example, as 191268900 + 152695449 = 13830^2 + 12357^2 .

It is not a de Polignac number, because 343964349 - 2¹ = 343964347 is a prime.

It is a super-2 number, since 2×343964349² = 236622946765987602, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343964347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1123914 + ... + 1124219.

It is an arithmetic number, because the mean of its divisors is an integer number (43838613).

Almost surely, 2^343964349 is an apocalyptic number.

It is an amenable number.

343964349 is a deficient number, since it is larger than the sum of its proper divisors (182099007).

343964349 is a wasteful number, since it uses less digits than its factorization.

343964349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248156 (or 2248153 counting only the distinct ones).

The product of its digits is 839808, while the sum is 45.

The square root of 343964349 is about 18546.2758795398. The cubic root of 343964349 is about 700.6554058837.

The spelling of 343964349 in words is "three hundred forty-three million, nine hundred sixty-four thousand, three hundred forty-nine".