338654385 has 64 divisors (see below), whose sum is σ = 654336000. Its totient is φ = 165551040.

The previous prime is 338654357. The next prime is 338654387. The reversal of 338654385 is 583456833.

It is not a de Polignac number, because 338654385 - 2⁵ = 338654353 is a prime.

It is a super-2 number, since 2×338654385² = 229373584959456450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 338654385.

It is not an unprimeable number, because it can be changed into a prime (338654387) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77386 + ... + 81644.

It is an arithmetic number, because the mean of its divisors is an integer number (10224000).

Almost surely, 2^338654385 is an apocalyptic number.

It is an amenable number.

338654385 is a deficient number, since it is larger than the sum of its proper divisors (315681615).

338654385 is a wasteful number, since it uses less digits than its factorization.

338654385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4323 (or 4317 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 338654385 is about 18402.5646310507. The cubic root of 338654385 is about 697.0312262371.

The spelling of 338654385 in words is "three hundred thirty-eight million, six hundred fifty-four thousand, three hundred eighty-five".