350438389 has 8 divisors (see below), whose sum is σ = 400834688. Its totient is φ = 300125520.

The previous prime is 350438383. The next prime is 350438393. The reversal of 350438389 is 983834053.

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 350438389 - 2⁹ = 350437877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350438383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11577 + ... + 28894.

It is an arithmetic number, because the mean of its divisors is an integer number (50104336).

Almost surely, 2^350438389 is an apocalyptic number.

It is an amenable number.

350438389 is a deficient number, since it is larger than the sum of its proper divisors (50396299).

350438389 is a wasteful number, since it uses less digits than its factorization.

350438389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41715.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 350438389 is about 18719.9997061966. Note that the first 3 decimals coincide. The cubic root of 350438389 is about 705.0239845637.

The spelling of 350438389 in words is "three hundred fifty million, four hundred thirty-eight thousand, three hundred eighty-nine".