411989 has 4 divisors (see below), whose sum is σ = 414624. Its totient is φ = 409356.

The previous prime is 411967. The next prime is 411991. The reversal of 411989 is 989114.

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 411989 - 2¹² = 407893 is a prime.

It is a super-2 number, since 2×411989² = 339469872242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 411989.

It is not an unprimeable number, because it can be changed into a prime (411919) 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, 1067 + ... + 1400.

It is an arithmetic number, because the mean of its divisors is an integer number (103656).

2⁴¹¹⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

411989 is a deficient number, since it is larger than the sum of its proper divisors (2635).

411989 is a wasteful number, since it uses less digits than its factorization.

411989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634.

The product of its digits is 2592, while the sum is 32.

The square root of 411989 is about 641.8636926950. The cubic root of 411989 is about 74.4095263749.

The spelling of 411989 in words is "four hundred eleven thousand, nine hundred eighty-nine".