343936634 has 4 divisors (see below), whose sum is σ = 515904954. Its totient is φ = 171968316.

The previous prime is 343936633. The next prime is 343936693. The reversal of 343936634 is 436639343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 255520225 + 88416409 = 15985^2 + 9403^2 .

It is a junction number, because it is equal to n+sod(n) for n = 343936591 and 343936600.

It is not an unprimeable number, because it can be changed into a prime (343936633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85984157 + ... + 85984160.

Almost surely, 2^343936634 is an apocalyptic number.

343936634 is a deficient number, since it is larger than the sum of its proper divisors (171968320).

343936634 is a wasteful number, since it uses less digits than its factorization.

343936634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171968319.

The product of its digits is 419904, while the sum is 41.

The square root of 343936634 is about 18545.5286794418. The cubic root of 343936634 is about 700.6365868925.

The spelling of 343936634 in words is "three hundred forty-three million, nine hundred thirty-six thousand, six hundred thirty-four".