439493 has 2 divisors, whose sum is σ = 439494. Its totient is φ = 439492.

The previous prime is 439471. The next prime is 439511. The reversal of 439493 is 394934.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 252004 + 187489 = 502^2 + 433^2 .

It is a cyclic number.

It is not a de Polignac number, because 439493 - 2⁶ = 439429 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (439463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219746 + 219747.

It is an arithmetic number, because the mean of its divisors is an integer number (219747).

2⁴³⁹⁴⁹³ is an apocalyptic number.

It is an amenable number.

439493 is a deficient number, since it is larger than the sum of its proper divisors (1).

439493 is an equidigital number, since it uses as much as digits as its factorization.

439493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 32.

The square root of 439493 is about 662.9426822886. The cubic root of 439493 is about 76.0298243980.

The spelling of 439493 in words is "four hundred thirty-nine thousand, four hundred ninety-three".