198381496 has 8 divisors (see below), whose sum is σ = 371965320. Its totient is φ = 99190744.

The previous prime is 198381481. The next prime is 198381497. The reversal of 198381496 is 694183891.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198381497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12398836 + ... + 12398851.

It is an arithmetic number, because the mean of its divisors is an integer number (46495665).

Almost surely, 2^198381496 is an apocalyptic number.

It is an amenable number.

198381496 is a deficient number, since it is larger than the sum of its proper divisors (173583824).

198381496 is a wasteful number, since it uses less digits than its factorization.

198381496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24797693 (or 24797689 counting only the distinct ones).

The product of its digits is 373248, while the sum is 49.

The square root of 198381496 is about 14084.7966261498. The cubic root of 198381496 is about 583.2217615912.

The spelling of 198381496 in words is "one hundred ninety-eight million, three hundred eighty-one thousand, four hundred ninety-six".