343681626 has 16 divisors (see below), whose sum is σ = 688955904. Its totient is φ = 114295104.

The previous prime is 343681621. The next prime is 343681643. The reversal of 343681626 is 626186343.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (343681621) 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, 63546 + ... + 68741.

It is an arithmetic number, because the mean of its divisors is an integer number (43059744).

Almost surely, 2^343681626 is an apocalyptic number.

343681626 is an abundant number, since it is smaller than the sum of its proper divisors (345274278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343681626 is a wasteful number, since it uses less digits than its factorization.

343681626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132725.

The product of its digits is 124416, while the sum is 39.

The square root of 343681626 is about 18538.6522163829. The cubic root of 343681626 is about 700.4633843387.

The spelling of 343681626 in words is "three hundred forty-three million, six hundred eighty-one thousand, six hundred twenty-six".