338743668 has 12 divisors (see below), whose sum is σ = 790401920. Its totient is φ = 112914552.

The previous prime is 338743631. The next prime is 338743673. The reversal of 338743668 is 866347833.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×338743668² = 229494545220188448, which contains 22 as substring.

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, 14114308 + ... + 14114331.

Almost surely, 2^338743668 is an apocalyptic number.

It is an amenable number.

338743668 is an abundant number, since it is smaller than the sum of its proper divisors (451658252).

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

338743668 is a wasteful number, since it uses less digits than its factorization.

338743668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28228646 (or 28228644 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 48.

The square root of 338743668 is about 18404.9903015459. The cubic root of 338743668 is about 697.0924760673.

The spelling of 338743668 in words is "three hundred thirty-eight million, seven hundred forty-three thousand, six hundred sixty-eight".