198274176 has 128 divisors (see below), whose sum is σ = 591926400. Its totient is φ = 65332224.

The previous prime is 198274159. The next prime is 198274199. The reversal of 198274176 is 671472891.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355690 + ... + 356246.

It is an arithmetic number, because the mean of its divisors is an integer number (4624425).

Almost surely, 2^198274176 is an apocalyptic number.

198274176 is a gapful number since it is divisible by the number (16) 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 198274176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295963200).

198274176 is an abundant number, since it is smaller than the sum of its proper divisors (393652224).

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

198274176 is a wasteful number, since it uses less digits than its factorization.

198274176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 665 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 198274176 is about 14080.9863290893. The cubic root of 198274176 is about 583.1165725977.

The spelling of 198274176 in words is "one hundred ninety-eight million, two hundred seventy-four thousand, one hundred seventy-six".