3939672500 has 30 divisors (see below), whose sum is σ = 8615281290. Its totient is φ = 1575868000.

The previous prime is 3939672491. The next prime is 3939672521. The reversal of 3939672500 is 52769393.

3939672500 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 5 ways, for example, as 1526308624 + 2413363876 = 39068^2 + 49126^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 785435 + ... + 790434.

It is an arithmetic number, because the mean of its divisors is an integer number (287176043).

Almost surely, 2^3939672500 is an apocalyptic number.

It is an amenable number.

3939672500 is an abundant number, since it is smaller than the sum of its proper divisors (4675608790).

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

3939672500 is a wasteful number, since it uses less digits than its factorization.

3939672500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575893 (or 1575876 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 44.

The square root of 3939672500 is about 62766.8104972684. The cubic root of 3939672500 is about 1579.3802648799.

The spelling of 3939672500 in words is "three billion, nine hundred thirty-nine million, six hundred seventy-two thousand, five hundred".