1411989 has 4 divisors (see below), whose sum is σ = 1882656. Its totient is φ = 941324.

The previous prime is 1411987. The next prime is 1411997. The reversal of 1411989 is 9891141.

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 1411989 - 2¹ = 1411987 is a prime.

It is a super-2 number, since 2×1411989² = 3987425872242, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1411987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235329 + ... + 235334.

It is an arithmetic number, because the mean of its divisors is an integer number (470664).

2^1411989 is an apocalyptic number.

It is an amenable number.

1411989 is a deficient number, since it is larger than the sum of its proper divisors (470667).

1411989 is an equidigital number, since it uses as much as digits as its factorization.

1411989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470666.

The product of its digits is 2592, while the sum is 33.

The square root of 1411989 is about 1188.2714336380. The cubic root of 1411989 is about 112.1873194003.

The spelling of 1411989 in words is "one million, four hundred eleven thousand, nine hundred eighty-nine".