3966925444 has 12 divisors (see below), whose sum is σ = 7020121500. Its totient is φ = 1961176448.

The previous prime is 3966925427. The next prime is 3966925453. The reversal of 3966925444 is 4445296693.

It is a happy number.

3966925444 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 2 ways, for example, as 1880263044 + 2086662400 = 43362^2 + 45680^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3966925391 and 3966925400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5571169 + ... + 5571880.

It is an arithmetic number, because the mean of its divisors is an integer number (585010125).

Almost surely, 2^3966925444 is an apocalyptic number.

It is an amenable number.

3966925444 is a deficient number, since it is larger than the sum of its proper divisors (3053196056).

3966925444 is a wasteful number, since it uses less digits than its factorization.

3966925444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11143142 (or 11143140 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 52.

The square root of 3966925444 is about 62983.5331177920. The cubic root of 3966925444 is about 1583.0137218243.

The spelling of 3966925444 in words is "three billion, nine hundred sixty-six million, nine hundred twenty-five thousand, four hundred forty-four".