343438738 has 8 divisors (see below), whose sum is σ = 517369788. Its totient is φ = 170982144.

The previous prime is 343438703. The next prime is 343438741. The reversal of 343438738 is 837834343.

It can be written as a sum of positive squares in 2 ways, for example, as 331349209 + 12089529 = 18203^2 + 3477^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 343438694 and 343438703.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368031 + ... + 368962.

Almost surely, 2^343438738 is an apocalyptic number.

343438738 is a deficient number, since it is larger than the sum of its proper divisors (173931050).

343438738 is a wasteful number, since it uses less digits than its factorization.

343438738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737228.

The product of its digits is 580608, while the sum is 43.

The square root of 343438738 is about 18532.1002047798. The cubic root of 343438738 is about 700.2983340590.

The spelling of 343438738 in words is "three hundred forty-three million, four hundred thirty-eight thousand, seven hundred thirty-eight".