3923947700 has 36 divisors (see below), whose sum is σ = 8610659820. Its totient is φ = 1551939840.

The previous prime is 3923947673. The next prime is 3923947711. The reversal of 3923947700 is 77493293.

3923947700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 454030864 + 3469916836 = 21308^2 + 58906^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211547 + ... + 229346.

It is an arithmetic number, because the mean of its divisors is an integer number (239184995).

Almost surely, 2^3923947700 is an apocalyptic number.

It is an amenable number.

3923947700 is an abundant number, since it is smaller than the sum of its proper divisors (4686712120).

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

3923947700 is a wasteful number, since it uses less digits than its factorization.

3923947700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440996 (or 440989 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 44.

The square root of 3923947700 is about 62641.4215994497. The cubic root of 3923947700 is about 1577.2761513222.

The spelling of 3923947700 in words is "three billion, nine hundred twenty-three million, nine hundred forty-seven thousand, seven hundred".