3946999900 has 18 divisors (see below), whose sum is σ = 8564990000. Its totient is φ = 1578799920.

The previous prime is 3946999883. The next prime is 3946999921. The reversal of 3946999900 is 99996493.

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, 19734900 + ... + 19735099.

Almost surely, 2^3946999900 is an apocalyptic number.

It is an amenable number.

3946999900 is an abundant number, since it is smaller than the sum of its proper divisors (4617990100).

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

3946999900 is a wasteful number, since it uses less digits than its factorization.

3946999900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39470013 (or 39470006 counting only the distinct ones).

The product of its (nonzero) digits is 4251528, while the sum is 58.

The square root of 3946999900 is about 62825.1534021207. The cubic root of 3946999900 is about 1580.3588219921.

The spelling of 3946999900 in words is "three billion, nine hundred forty-six million, nine hundred ninety-nine thousand, nine hundred".