343634013 has 6 divisors (see below), whose sum is σ = 496360254. Its totient is φ = 229089336.

The previous prime is 343634009. The next prime is 343634041. The reversal of 343634013 is 310436343.

It can be written as a sum of positive squares in only one way, i.e., 236759769 + 106874244 = 15387^2 + 10338^2 .

It is not a de Polignac number, because 343634013 - 2² = 343634009 is a prime.

It is a super-3 number, since 3×343634013³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343638013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19090770 + ... + 19090787.

It is an arithmetic number, because the mean of its divisors is an integer number (82726709).

Almost surely, 2^343634013 is an apocalyptic number.

It is an amenable number.

343634013 is a deficient number, since it is larger than the sum of its proper divisors (152726241).

343634013 is a wasteful number, since it uses less digits than its factorization.

343634013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38181563 (or 38181560 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

The square root of 343634013 is about 18537.3680170622. The cubic root of 343634013 is about 700.4310358890.

The spelling of 343634013 in words is "three hundred forty-three million, six hundred thirty-four thousand, thirteen".