338353666 has 8 divisors (see below), whose sum is σ = 580034880. Its totient is φ = 145008708.

The previous prime is 338353657. The next prime is 338353681. The reversal of 338353666 is 666353833.

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

It is a super-2 number, since 2×338353666² = 228966406591279112, which contains 22 as substring.

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, 12084046 + ... + 12084073.

It is an arithmetic number, because the mean of its divisors is an integer number (72504360).

Almost surely, 2^338353666 is an apocalyptic number.

338353666 is a deficient number, since it is larger than the sum of its proper divisors (241681214).

338353666 is a wasteful number, since it uses less digits than its factorization.

338353666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24168128.

The product of its digits is 699840, while the sum is 43.

The square root of 338353666 is about 18394.3922432898. The cubic root of 338353666 is about 696.8248480763.

The spelling of 338353666 in words is "three hundred thirty-eight million, three hundred fifty-three thousand, six hundred sixty-six".