1988284708 has 12 divisors (see below), whose sum is σ = 3684174732. Its totient is φ = 935663360.

The previous prime is 1988284693. The next prime is 1988284751. The reversal of 1988284708 is 8074828891.

It can be written as a sum of positive squares in 2 ways, for example, as 1287517924 + 700766784 = 35882^2 + 26472^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14619673 + ... + 14619808.

It is an arithmetic number, because the mean of its divisors is an integer number (307014561).

Almost surely, 2^1988284708 is an apocalyptic number.

It is an amenable number.

1988284708 is a deficient number, since it is larger than the sum of its proper divisors (1695890024).

1988284708 is a wasteful number, since it uses less digits than its factorization.

1988284708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29239502 (or 29239500 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 55.

The square root of 1988284708 is about 44590.1862297075. The cubic root of 1988284708 is about 1257.4561736548.

The spelling of 1988284708 in words is "one billion, nine hundred eighty-eight million, two hundred eighty-four thousand, seven hundred eight".