411998 has 8 divisors (see below), whose sum is σ = 623808. Its totient is φ = 204064.

The previous prime is 411991. The next prime is 412001. The reversal of 411998 is 899114.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411991) by changing a digit.

411998 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686 + ... + 1137.

It is an arithmetic number, because the mean of its divisors is an integer number (77976).

2⁴¹¹⁹⁹⁸ is an apocalyptic number.

411998 is a deficient number, since it is larger than the sum of its proper divisors (211810).

411998 is a wasteful number, since it uses less digits than its factorization.

411998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938.

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

The square root of 411998 is about 641.8707034910. The cubic root of 411998 is about 74.4100682023.

It can be divided in two parts, 41 and 1998, that multiplied together give a palindrome (81918).

The spelling of 411998 in words is "four hundred eleven thousand, nine hundred ninety-eight".