1988950608 has 30 divisors (see below), whose sum is σ = 5566299674. Its totient is φ = 662983488.

The previous prime is 1988950597. The next prime is 1988950633. The reversal of 1988950608 is 8060598891.

1988950608 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1493977104 + 494973504 = 38652^2 + 22248^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6905935 + ... + 6906222.

Almost surely, 2^1988950608 is an apocalyptic number.

1988950608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1988950608 is an abundant number, since it is smaller than the sum of its proper divisors (3577349066).

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

1988950608 is a wasteful number, since it uses less digits than its factorization.

1988950608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13812171 (or 13812162 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 54.

The square root of 1988950608 is about 44597.6524942737. The cubic root of 1988950608 is about 1257.5965369541.

The spelling of 1988950608 in words is "one billion, nine hundred eighty-eight million, nine hundred fifty thousand, six hundred eight".