198741504 has 160 divisors (see below), whose sum is σ = 587774880. Its totient is φ = 59277312.

The previous prime is 198741493. The next prime is 198741511. The reversal of 198741504 is 405147891.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 738682 + ... + 738950.

It is an arithmetic number, because the mean of its divisors is an integer number (3673593).

Almost surely, 2^198741504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198741504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293887440).

198741504 is an abundant number, since it is smaller than the sum of its proper divisors (389033376).

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

198741504 is a wasteful number, since it uses less digits than its factorization.

198741504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 198741504 is about 14097.5708545834. The cubic root of 198741504 is about 583.5743442375.

The spelling of 198741504 in words is "one hundred ninety-eight million, seven hundred forty-one thousand, five hundred four".