1348989 has 4 divisors (see below), whose sum is σ = 1798656. Its totient is φ = 899324.

The previous prime is 1348987. The next prime is 1349003. The reversal of 1348989 is 9898431.

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: 9898431 = 3 ⋅3299477.

It is a cyclic number.

It is not a de Polignac number, because 1348989 - 2¹ = 1348987 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 1348989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1348987) 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, 224829 + ... + 224834.

It is an arithmetic number, because the mean of its divisors is an integer number (449664).

2^1348989 is an apocalyptic number.

It is an amenable number.

1348989 is a deficient number, since it is larger than the sum of its proper divisors (449667).

1348989 is an equidigital number, since it uses as much as digits as its factorization.

1348989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449666.

The product of its digits is 62208, while the sum is 42.

The square root of 1348989 is about 1161.4598572486. The cubic root of 1348989 is about 110.4933487667.

The spelling of 1348989 in words is "one million, three hundred forty-eight thousand, nine hundred eighty-nine".