1039439 has 8 divisors (see below), whose sum is σ = 1110912. Its totient is φ = 970200.

The previous prime is 1039429. The next prime is 1039463. The reversal of 1039439 is 9349301.

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 1039439 - 2¹² = 1035343 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 (1039429) 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, 464 + ... + 1514.

It is an arithmetic number, because the mean of its divisors is an integer number (138864).

2^1039439 is an apocalyptic number.

1039439 is a deficient number, since it is larger than the sum of its proper divisors (71473).

1039439 is a wasteful number, since it uses less digits than its factorization.

1039439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 1039439 is about 1019.5288127366. The cubic root of 1039439 is about 101.2977197200.

The spelling of 1039439 in words is "one million, thirty-nine thousand, four hundred thirty-nine".