393441343 has 4 divisors (see below), whose sum is σ = 393548760. Its totient is φ = 393333928.

The previous prime is 393441337. The next prime is 393441397. The reversal of 393441343 is 343144393.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 393441343 - 2¹⁷ = 393310271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 393441299 and 393441308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393447343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48013 + ... + 55606.

It is an arithmetic number, because the mean of its divisors is an integer number (98387190).

Almost surely, 2^393441343 is an apocalyptic number.

393441343 is a deficient number, since it is larger than the sum of its proper divisors (107417).

393441343 is a wasteful number, since it uses less digits than its factorization.

393441343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107416.

The product of its digits is 46656, while the sum is 34.

The square root of 393441343 is about 19835.3558828673. The cubic root of 393441343 is about 732.7570371534.

The spelling of 393441343 in words is "three hundred ninety-three million, four hundred forty-one thousand, three hundred forty-three".