343626689 has 4 divisors (see below), whose sum is σ = 392716224. Its totient is φ = 294537156.

The previous prime is 343626649. The next prime is 343626691. The reversal of 343626689 is 986626343.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 343626689 - 2²⁴ = 326849473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343626649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24544757 + ... + 24544770.

It is an arithmetic number, because the mean of its divisors is an integer number (98179056).

Almost surely, 2^343626689 is an apocalyptic number.

It is an amenable number.

343626689 is a deficient number, since it is larger than the sum of its proper divisors (49089535).

343626689 is an equidigital number, since it uses as much as digits as its factorization.

343626689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49089534.

The product of its digits is 1119744, while the sum is 47.

The square root of 343626689 is about 18537.1704690872. The cubic root of 343626689 is about 700.4260596709.

The spelling of 343626689 in words is "three hundred forty-three million, six hundred twenty-six thousand, six hundred eighty-nine".