3937889488 has 20 divisors (see below), whose sum is σ = 8216558308. Its totient is φ = 1817487360.

The previous prime is 3937889467. The next prime is 3937889507. The reversal of 3937889488 is 8849887393.

It can be written as a sum of positive squares in 2 ways, for example, as 655974544 + 3281914944 = 25612^2 + 57288^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9465873 + ... + 9466288.

Almost surely, 2^3937889488 is an apocalyptic number.

It is an amenable number.

3937889488 is an abundant number, since it is smaller than the sum of its proper divisors (4278668820).

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

3937889488 is a wasteful number, since it uses less digits than its factorization.

3937889488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18932182 (or 18932176 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 67.

The square root of 3937889488 is about 62752.6054279820. The cubic root of 3937889488 is about 1579.1419642851.

The spelling of 3937889488 in words is "three billion, nine hundred thirty-seven million, eight hundred eighty-nine thousand, four hundred eighty-eight".