198004464 has 120 divisors (see below), whose sum is σ = 650538720. Its totient is φ = 55033344.

The previous prime is 198004421. The next prime is 198004481. The reversal of 198004464 is 464400891.

It is a happy number.

198004464 is a `hidden beast` number, since 198 + 0 + 0 + 4 + 464 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34642 + ... + 39950.

It is an arithmetic number, because the mean of its divisors is an integer number (5421156).

Almost surely, 2^198004464 is an apocalyptic number.

198004464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198004464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325269360).

198004464 is an abundant number, since it is smaller than the sum of its proper divisors (452534256).

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

198004464 is a wasteful number, since it uses less digits than its factorization.

198004464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5367 (or 5358 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 198004464 is about 14071.4058999092. The cubic root of 198004464 is about 582.8520484808.

The spelling of 198004464 in words is "one hundred ninety-eight million, four thousand, four hundred sixty-four".