343974 has 8 divisors (see below), whose sum is σ = 687960. Its totient is φ = 114656.

The previous prime is 343963. The next prime is 343997. The reversal of 343974 is 479343.

343974 is nontrivially palindromic in base 14.

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

343974 is an admirable number.

It is a super-2 number, since 2×343974² = 236636225352, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 343974.

It is an unprimeable number.

343974 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28659 + ... + 28670.

It is an arithmetic number, because the mean of its divisors is an integer number (85995).

2³⁴³⁹⁷⁴ is an apocalyptic number.

343974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

343974 is a wasteful number, since it uses less digits than its factorization.

343974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57334.

The product of its digits is 9072, while the sum is 30.

The square root of 343974 is about 586.4929667097. The cubic root of 343974 is about 70.0661958852.

The spelling of 343974 in words is "three hundred forty-three thousand, nine hundred seventy-four".