343391338 has 4 divisors (see below), whose sum is σ = 515087010. Its totient is φ = 171695668.

The previous prime is 343391329. The next prime is 343391369. The reversal of 343391338 is 833193343.

343391338 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 833193343 = 37 ⋅22518739.

It can be written as a sum of positive squares in only one way, i.e., 338449609 + 4941729 = 18397^2 + 2223^2 .

It is a super-2 number, since 2×343391338² = 235835222026860488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 343391297 and 343391306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85847833 + ... + 85847836.

Almost surely, 2^343391338 is an apocalyptic number.

343391338 is a deficient number, since it is larger than the sum of its proper divisors (171695672).

343391338 is a wasteful number, since it uses less digits than its factorization.

343391338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171695671.

The product of its digits is 69984, while the sum is 37.

The square root of 343391338 is about 18530.8212985825. The cubic root of 343391338 is about 700.2661151462.

The spelling of 343391338 in words is "three hundred forty-three million, three hundred ninety-one thousand, three hundred thirty-eight".