418398 has 16 divisors (see below), whose sum is σ = 844560. Its totient is φ = 138176.

The previous prime is 418391. The next prime is 418423. The reversal of 418398 is 893814.

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 418398.

It is not an unprimeable number, because it can be changed into a prime (418391) by changing a digit.

418398 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 7 ways as a sum of consecutive naturals, for example, 568 + ... + 1076.

It is an arithmetic number, because the mean of its divisors is an integer number (52785).

2⁴¹⁸³⁹⁸ is an apocalyptic number.

418398 is an abundant number, since it is smaller than the sum of its proper divisors (426162).

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

418398 is a wasteful number, since it uses less digits than its factorization.

418398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651.

The product of its digits is 6912, while the sum is 33.

The square root of 418398 is about 646.8369191690. The cubic root of 418398 is about 74.7933868919.

The spelling of 418398 in words is "four hundred eighteen thousand, three hundred ninety-eight".