343887664 has 20 divisors (see below), whose sum is σ = 682534440. Its totient is φ = 167749760.

The previous prime is 343887653. The next prime is 343887671. The reversal of 343887664 is 466788343.

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, 261454 + ... + 262765.

It is an arithmetic number, because the mean of its divisors is an integer number (34126722).

Almost surely, 2^343887664 is an apocalyptic number.

It is an amenable number.

343887664 is a deficient number, since it is larger than the sum of its proper divisors (338646776).

343887664 is a wasteful number, since it uses less digits than its factorization.

343887664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524268 (or 524262 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 49.

The square root of 343887664 is about 18544.2083681132. The cubic root of 343887664 is about 700.6033328967.

The spelling of 343887664 in words is "three hundred forty-three million, eight hundred eighty-seven thousand, six hundred sixty-four".