393638341 has 8 divisors (see below), whose sum is σ = 410137344. Its totient is φ = 377376960.

The previous prime is 393638327. The next prime is 393638351. The reversal of 393638341 is 143836393.

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

It is a cyclic number.

It is not a de Polignac number, because 393638341 - 2²⁵ = 360083909 is a prime.

It is a super-2 number, since 2×393638341² = 309902287010464562, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 393638294 and 393638303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393638351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56020 + ... + 62653.

It is an arithmetic number, because the mean of its divisors is an integer number (51267168).

Almost surely, 2^393638341 is an apocalyptic number.

393638341 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

393638341 is a deficient number, since it is larger than the sum of its proper divisors (16499003).

393638341 is a wasteful number, since it uses less digits than its factorization.

393638341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118811.

The product of its digits is 139968, while the sum is 40.

The square root of 393638341 is about 19840.3210911517. The cubic root of 393638341 is about 732.8793150884.

The spelling of 393638341 in words is "three hundred ninety-three million, six hundred thirty-eight thousand, three hundred forty-one".