343398307 has 16 divisors (see below), whose sum is σ = 399006720. Its totient is φ = 289461312.

The previous prime is 343398277. The next prime is 343398313. The reversal of 343398307 is 703893343.

It is not a de Polignac number, because 343398307 - 2²³ = 335009699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 343398307.

It is not an unprimeable number, because it can be changed into a prime (343398907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137623 + ... + 140095.

It is an arithmetic number, because the mean of its divisors is an integer number (24937920).

Almost surely, 2^343398307 is an apocalyptic number.

343398307 is a deficient number, since it is larger than the sum of its proper divisors (55608413).

343398307 is a wasteful number, since it uses less digits than its factorization.

343398307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802.

The product of its (nonzero) digits is 163296, while the sum is 40.

The square root of 343398307 is about 18531.0093357054. The cubic root of 343398307 is about 700.2708523279.

The spelling of 343398307 in words is "three hundred forty-three million, three hundred ninety-eight thousand, three hundred seven".