3658543988 has 24 divisors (see below), whose sum is σ = 7209801984. Its totient is φ = 1609329600.

The previous prime is 3658543937. The next prime is 3658543997. The reversal of 3658543988 is 8893458563.

3658543988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3658543988² = 26769888224261888288, which contains 22 as substring.

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, 1339745 + ... + 1342472.

It is an arithmetic number, because the mean of its divisors is an integer number (300408416).

Almost surely, 2^3658543988 is an apocalyptic number.

It is an amenable number.

3658543988 is a deficient number, since it is larger than the sum of its proper divisors (3551257996).

3658543988 is a wasteful number, since it uses less digits than its factorization.

3658543988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682263 (or 2682261 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 59.

The square root of 3658543988 is about 60485.8990840014. The cubic root of 3658543988 is about 1540.8821600046.

The spelling of 3658543988 in words is "three billion, six hundred fifty-eight million, five hundred forty-three thousand, nine hundred eighty-eight".