343988 has 12 divisors (see below), whose sum is σ = 628320. Its totient is φ = 164472.

The previous prime is 343963. The next prime is 343997. The reversal of 343988 is 889343.

It is a congruent number.

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, 1778 + ... + 1961.

It is an arithmetic number, because the mean of its divisors is an integer number (52360).

2³⁴³⁹⁸⁸ is an apocalyptic number.

343988 is the 314-th centered heptagonal number.

It is an amenable number.

343988 is a deficient number, since it is larger than the sum of its proper divisors (284332).

343988 is a wasteful number, since it uses less digits than its factorization.

343988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766 (or 3764 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 343988 is about 586.5049019403. The cubic root of 343988 is about 70.0671464545.

It can be divided in two parts, 343 and 988, that added together give a palindrome (1331).

The spelling of 343988 in words is "three hundred forty-three thousand, nine hundred eighty-eight".