198404967 has 8 divisors (see below), whose sum is σ = 270692224. Its totient is φ = 129193848.

The previous prime is 198404963. The next prime is 198404981. The reversal of 198404967 is 769404891.

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

It is not a de Polignac number, because 198404967 - 2² = 198404963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198404963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768883 + ... + 769140.

It is an arithmetic number, because the mean of its divisors is an integer number (33836528).

Almost surely, 2^198404967 is an apocalyptic number.

198404967 is a deficient number, since it is larger than the sum of its proper divisors (72287257).

198404967 is a wasteful number, since it uses less digits than its factorization.

198404967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538069.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 198404967 is about 14085.6298048756. The cubic root of 198404967 is about 583.2447614819.

The spelling of 198404967 in words is "one hundred ninety-eight million, four hundred four thousand, nine hundred sixty-seven".