350389 has 4 divisors (see below), whose sum is σ = 377356. Its totient is φ = 323424.

The previous prime is 350381. The next prime is 350411. The reversal of 350389 is 983053.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 140625 + 209764 = 375^2 + 458^2 .

It is a cyclic number.

It is not a de Polignac number, because 350389 - 2³ = 350381 is a prime.

It is a Duffinian number.

350389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350381) 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, 13464 + ... + 13489.

It is an arithmetic number, because the mean of its divisors is an integer number (94339).

2³⁵⁰³⁸⁹ is an apocalyptic number.

It is an amenable number.

350389 is a deficient number, since it is larger than the sum of its proper divisors (26967).

350389 is a wasteful number, since it uses less digits than its factorization.

350389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26966.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 350389 is about 591.9366520161. The cubic root of 350389 is about 70.4990862179.

The spelling of 350389 in words is "three hundred fifty thousand, three hundred eighty-nine".