1341989 has 8 divisors (see below), whose sum is σ = 1541280. Its totient is φ = 1155600.

The previous prime is 1341983. The next prime is 1342001. The reversal of 1341989 is 9891431.

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 1341989 - 2⁸ = 1341733 is a prime.

It is a super-2 number, since 2×1341989² = 3601868952242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341983) 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, 3002 + ... + 3419.

It is an arithmetic number, because the mean of its divisors is an integer number (192660).

2^1341989 is an apocalyptic number.

1341989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1341989 is a deficient number, since it is larger than the sum of its proper divisors (199291).

1341989 is a wasteful number, since it uses less digits than its factorization.

1341989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6451.

The product of its digits is 7776, while the sum is 35.

The square root of 1341989 is about 1158.4424888617. The cubic root of 1341989 is about 110.3018979477.

The spelling of 1341989 in words is "one million, three hundred forty-one thousand, nine hundred eighty-nine".