343408779 has 12 divisors (see below), whose sum is σ = 566897136. Its totient is φ = 196233552.

The previous prime is 343408777. The next prime is 343408817. The reversal of 343408779 is 977804343.

It is a happy number.

It is not a de Polignac number, because 343408779 - 2¹ = 343408777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (343408777) 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, 2725404 + ... + 2725529.

It is an arithmetic number, because the mean of its divisors is an integer number (47241428).

Almost surely, 2^343408779 is an apocalyptic number.

343408779 is a deficient number, since it is larger than the sum of its proper divisors (223488357).

343408779 is a wasteful number, since it uses less digits than its factorization.

343408779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5450946 (or 5450943 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 343408779 is about 18531.2918869678. The cubic root of 343408779 is about 700.2779705554.

The spelling of 343408779 in words is "three hundred forty-three million, four hundred eight thousand, seven hundred seventy-nine".