343738 has 4 divisors (see below), whose sum is σ = 515610. Its totient is φ = 171868.

The previous prime is 343727. The next prime is 343769. The reversal of 343738 is 837343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 310249 + 33489 = 557^2 + 183^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85933 + ... + 85936.

2³⁴³⁷³⁸ is an apocalyptic number.

343738 is a deficient number, since it is larger than the sum of its proper divisors (171872).

343738 is a wasteful number, since it uses less digits than its factorization.

343738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171871.

The product of its digits is 6048, while the sum is 28.

The square root of 343738 is about 586.2917362542. The cubic root of 343738 is about 70.0501681182.

It can be divided in two parts, 343 and 738, that added together give a triangular number (1081 = T₄₆).

The spelling of 343738 in words is "three hundred forty-three thousand, seven hundred thirty-eight".