343458 has 12 divisors (see below), whose sum is σ = 744198. Its totient is φ = 114480.

The previous prime is 343433. The next prime is 343481. The reversal of 343458 is 854343.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 328329 + 15129 = 573^2 + 123^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9523 + ... + 9558.

2³⁴³⁴⁵⁸ is an apocalyptic number.

343458 is an abundant number, since it is smaller than the sum of its proper divisors (400740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343458 is a wasteful number, since it uses less digits than its factorization.

343458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19089 (or 19086 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 343458 is about 586.0528986363. The cubic root of 343458 is about 70.0311426054.

The spelling of 343458 in words is "three hundred forty-three thousand, four hundred fifty-eight".