198361296 has 120 divisors (see below), whose sum is σ = 637500864. Its totient is φ = 56401920.

The previous prime is 198361271. The next prime is 198361309. The reversal of 198361296 is 692163891.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

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, 309136 + ... + 309776.

Almost surely, 2^198361296 is an apocalyptic number.

198361296 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 198361296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318750432).

198361296 is an abundant number, since it is smaller than the sum of its proper divisors (439139568).

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

198361296 is a wasteful number, since it uses less digits than its factorization.

198361296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969 (or 960 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 198361296 is about 14084.0795226383. The cubic root of 198361296 is about 583.2019655926.

The spelling of 198361296 in words is "one hundred ninety-eight million, three hundred sixty-one thousand, two hundred ninety-six".