343655644 has 6 divisors (see below), whose sum is σ = 601397384. Its totient is φ = 171827820.

The previous prime is 343655623. The next prime is 343655651. The reversal of 343655644 is 446556343.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 343655597 and 343655606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42956952 + ... + 42956959.

Almost surely, 2^343655644 is an apocalyptic number.

It is an amenable number.

343655644 is a deficient number, since it is larger than the sum of its proper divisors (257741740).

343655644 is a wasteful number, since it uses less digits than its factorization.

343655644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85913915 (or 85913913 counting only the distinct ones).

The product of its digits is 518400, while the sum is 40.

The square root of 343655644 is about 18537.9514510099. The cubic root of 343655644 is about 700.4457324414.

The spelling of 343655644 in words is "three hundred forty-three million, six hundred fifty-five thousand, six hundred forty-four".