439361 has 4 divisors (see below), whose sum is σ = 473172. Its totient is φ = 405552.

The previous prime is 439357. The next prime is 439367. The reversal of 439361 is 163934.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 163934 = 2 ⋅81967.

It can be written as a sum of positive squares in 2 ways, for example, as 115600 + 323761 = 340^2 + 569^2 .

It is a cyclic number.

It is not a de Polignac number, because 439361 - 2² = 439357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 439361.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 439361.

It is not an unprimeable number, because it can be changed into a prime (439367) 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, 16886 + ... + 16911.

It is an arithmetic number, because the mean of its divisors is an integer number (118293).

2⁴³⁹³⁶¹ is an apocalyptic number.

It is an amenable number.

439361 is a deficient number, since it is larger than the sum of its proper divisors (33811).

439361 is a wasteful number, since it uses less digits than its factorization.

439361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33810.

The product of its digits is 1944, while the sum is 26.

The square root of 439361 is about 662.8431186940. The cubic root of 439361 is about 76.0222118826.

The spelling of 439361 in words is "four hundred thirty-nine thousand, three hundred sixty-one".