343391339 has 4 divisors (see below), whose sum is σ = 352672224. Its totient is φ = 334110456.

The previous prime is 343391329. The next prime is 343391369. The reversal of 343391339 is 933193343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 933193343 = 30071 ⋅31033.

It is a cyclic number.

It is not a de Polignac number, because 343391339 - 2¹² = 343387243 is a prime.

It is a super-2 number, since 2×343391339² = 235835223400425842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343391329) 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, 4640387 + ... + 4640460.

It is an arithmetic number, because the mean of its divisors is an integer number (88168056).

Almost surely, 2^343391339 is an apocalyptic number.

343391339 is a deficient number, since it is larger than the sum of its proper divisors (9280885).

343391339 is an equidigital number, since it uses as much as digits as its factorization.

343391339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9280884.

The product of its digits is 78732, while the sum is 38.

The square root of 343391339 is about 18530.8213255646. The cubic root of 343391339 is about 700.2661158259.

The spelling of 343391339 in words is "three hundred forty-three million, three hundred ninety-one thousand, three hundred thirty-nine".