1349389 has 4 divisors (see below), whose sum is σ = 1372320. Its totient is φ = 1326460.

The previous prime is 1349371. The next prime is 1349393. The reversal of 1349389 is 9839431.

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.

It is a cyclic number.

It is not a de Polignac number, because 1349389 - 2⁵ = 1349357 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 (1349339) 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, 11377 + ... + 11494.

It is an arithmetic number, because the mean of its divisors is an integer number (343080).

2^1349389 is an apocalyptic number.

It is an amenable number.

1349389 is a deficient number, since it is larger than the sum of its proper divisors (22931).

1349389 is an equidigital number, since it uses as much as digits as its factorization.

1349389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22930.

The product of its digits is 23328, while the sum is 37.

The square root of 1349389 is about 1161.6320415691. The cubic root of 1349389 is about 110.5042687894.

The spelling of 1349389 in words is "one million, three hundred forty-nine thousand, three hundred eighty-nine".