1988834116 has 24 divisors (see below), whose sum is σ = 3548444760. Its totient is φ = 975017472.

The previous prime is 1988834087. The next prime is 1988834117. The reversal of 1988834116 is 6114388891.

It can be written as a sum of positive squares in 4 ways, for example, as 1310440000 + 678394116 = 36200^2 + 26046^2 .

It is a super-2 number, since 2×1988834116² = 7910922281931002912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1988834116.

It is not an unprimeable number, because it can be changed into a prime (1988834117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642300 + ... + 645388.

It is an arithmetic number, because the mean of its divisors is an integer number (147851865).

Almost surely, 2^1988834116 is an apocalyptic number.

It is an amenable number.

1988834116 is a deficient number, since it is larger than the sum of its proper divisors (1559610644).

1988834116 is a wasteful number, since it uses less digits than its factorization.

1988834116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6183 (or 6181 counting only the distinct ones).

The product of its digits is 331776, while the sum is 49.

The square root of 1988834116 is about 44596.3464422816. The cubic root of 1988834116 is about 1257.5719841748.

The spelling of 1988834116 in words is "one billion, nine hundred eighty-eight million, eight hundred thirty-four thousand, one hundred sixteen".