3938588990 has 16 divisors (see below), whose sum is σ = 8102240352. Its totient is φ = 1350373344.

The previous prime is 3938588939. The next prime is 3938589043. The reversal of 3938588990 is 998858393.

It is a happy number.

3938588990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28132709 + ... + 28132848.

It is an arithmetic number, because the mean of its divisors is an integer number (506390022).

Almost surely, 2^3938588990 is an apocalyptic number.

3938588990 is an abundant number, since it is smaller than the sum of its proper divisors (4163651362).

3938588990 is a wasteful number, since it uses less digits than its factorization.

3938588990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56265571.

The product of its (nonzero) digits is 16796160, while the sum is 62.

The square root of 3938588990 is about 62758.1786701941. The cubic root of 3938588990 is about 1579.2354617086.

The spelling of 3938588990 in words is "three billion, nine hundred thirty-eight million, five hundred eighty-eight thousand, nine hundred ninety".