418998 has 8 divisors (see below), whose sum is σ = 838008. Its totient is φ = 139664.

The previous prime is 418997. The next prime is 419047. The reversal of 418998 is 899814.

418998 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

418998 is an admirable number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (418993) 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, 34911 + ... + 34922.

It is an arithmetic number, because the mean of its divisors is an integer number (104751).

2⁴¹⁸⁹⁹⁸ is an apocalyptic number.

418998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

418998 is a wasteful number, since it uses less digits than its factorization.

418998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69838.

The product of its digits is 20736, while the sum is 39.

The square root of 418998 is about 647.3005484317. The cubic root of 418998 is about 74.8291220833.

The spelling of 418998 in words is "four hundred eighteen thousand, nine hundred ninety-eight".