1038389 has 4 divisors (see below), whose sum is σ = 1132800. Its totient is φ = 943980.

The previous prime is 1038383. The next prime is 1038391. The reversal of 1038389 is 9838301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9838301 = 11 ⋅894391.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1038389 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1038383) 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, 47189 + ... + 47210.

It is an arithmetic number, because the mean of its divisors is an integer number (283200).

2^1038389 is an apocalyptic number.

It is an amenable number.

1038389 is a deficient number, since it is larger than the sum of its proper divisors (94411).

1038389 is an equidigital number, since it uses as much as digits as its factorization.

1038389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94410.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1038389 is about 1019.0137388671. The cubic root of 1038389 is about 101.2635992504.

The spelling of 1038389 in words is "one million, thirty-eight thousand, three hundred eighty-nine".