1039385 has 4 divisors (see below), whose sum is σ = 1247268. Its totient is φ = 831504.

The previous prime is 1039351. The next prime is 1039387. The reversal of 1039385 is 5839301.

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 405769 + 633616 = 637^2 + 796^2 .

It is a cyclic number.

It is not a de Polignac number, because 1039385 - 2⁶ = 1039321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1039387) 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, 103934 + ... + 103943.

It is an arithmetic number, because the mean of its divisors is an integer number (311817).

2^1039385 is an apocalyptic number.

It is an amenable number.

1039385 is a deficient number, since it is larger than the sum of its proper divisors (207883).

1039385 is an equidigital number, since it uses as much as digits as its factorization.

1039385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207882.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1039385 is about 1019.5023295707. The cubic root of 1039385 is about 101.2959655136.

It can be divided in two parts, 103938 and 5, that multiplied together give a triangular number (519690 = T₁₀₁₉).

The spelling of 1039385 in words is "one million, thirty-nine thousand, three hundred eighty-five".