1988356088 has 16 divisors (see below), whose sum is σ = 3738331680. Its totient is φ = 991467648.

The previous prime is 1988356081. The next prime is 1988356147. The reversal of 1988356088 is 8806538891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1988356081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335681 + ... + 341552.

It is an arithmetic number, because the mean of its divisors is an integer number (233645730).

Almost surely, 2^1988356088 is an apocalyptic number.

It is an amenable number.

1988356088 is a deficient number, since it is larger than the sum of its proper divisors (1749975592).

1988356088 is a wasteful number, since it uses less digits than its factorization.

1988356088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677606 (or 677602 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 56.

The square root of 1988356088 is about 44590.9866228591. The cubic root of 1988356088 is about 1257.4712211556.

The spelling of 1988356088 in words is "one billion, nine hundred eighty-eight million, three hundred fifty-six thousand, eighty-eight".