3728989108 has 24 divisors (see below), whose sum is σ = 7029408680. Its totient is φ = 1720656000.

The previous prime is 3728989087. The next prime is 3728989129. The reversal of 3728989108 is 8019898273.

It is an interprime number because it is at equal distance from previous prime (3728989087) and next prime (3728989129).

It can be written as a sum of positive squares in 4 ways, for example, as 47169424 + 3681819684 = 6868^2 + 60678^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 349858 + ... + 360358.

Almost surely, 2^3728989108 is an apocalyptic number.

It is an amenable number.

3728989108 is a deficient number, since it is larger than the sum of its proper divisors (3300419572).

3728989108 is a wasteful number, since it uses less digits than its factorization.

3728989108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17347 (or 17345 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 55.

The square root of 3728989108 is about 61065.4493801528. The cubic root of 3728989108 is about 1550.7092290899.

The spelling of 3728989108 in words is "three billion, seven hundred twenty-eight million, nine hundred eighty-nine thousand, one hundred eight".