1998586296 has 96 divisors (see below), whose sum is σ = 6291043200. Its totient is φ = 561337920.

The previous prime is 1998586273. The next prime is 1998586363. The reversal of 1998586296 is 6926858991.

1998586296 is a `hidden beast` number, since 199 + 85 + 86 + 296 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 3870 + ... + 63341.

It is an arithmetic number, because the mean of its divisors is an integer number (65531700).

Almost surely, 2^1998586296 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 1998586296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3145521600).

1998586296 is an abundant number, since it is smaller than the sum of its proper divisors (4292456904).

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

1998586296 is a wasteful number, since it uses less digits than its factorization.

1998586296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67289 (or 67282 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 63.

The square root of 1998586296 is about 44705.5510647168. The cubic root of 1998586296 is about 1259.6241206842.

The spelling of 1998586296 in words is "one billion, nine hundred ninety-eight million, five hundred eighty-six thousand, two hundred ninety-six".