1206198798 has 96 divisors (see below), whose sum is σ = 3029736960. Its totient is φ = 318225600.

The previous prime is 1206198797. The next prime is 1206198817. The reversal of 1206198798 is 8978916021.

It is a self number, because there is not a number n which added to its sum of digits gives 1206198798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206198797) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 193023 + ... + 199173.

It is an arithmetic number, because the mean of its divisors is an integer number (31559760).

Almost surely, 2^1206198798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1206198798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1514868480).

1206198798 is an abundant number, since it is smaller than the sum of its proper divisors (1823538162).

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

1206198798 is a wasteful number, since it uses less digits than its factorization.

1206198798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6222 (or 6215 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 51.

The square root of 1206198798 is about 34730.3728456808. The cubic root of 1206198798 is about 1064.4852069102.

The spelling of 1206198798 in words is "one billion, two hundred six million, one hundred ninety-eight thousand, seven hundred ninety-eight".