3945596404 has 6 divisors (see below), whose sum is σ = 6904793714. Its totient is φ = 1972798200.

The previous prime is 3945596401. The next prime is 3945596407. The reversal of 3945596404 is 4046955493.

It is an interprime number because it is at equal distance from previous prime (3945596401) and next prime (3945596407).

It can be written as a sum of positive squares in only one way, i.e., 3886275600 + 59320804 = 62340^2 + 7702^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3945596401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493199547 + ... + 493199554.

Almost surely, 2^3945596404 is an apocalyptic number.

It is an amenable number.

3945596404 is a deficient number, since it is larger than the sum of its proper divisors (2959197310).

3945596404 is a wasteful number, since it uses less digits than its factorization.

3945596404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986399105 (or 986399103 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 49.

The square root of 3945596404 is about 62813.9825516580. The cubic root of 3945596404 is about 1580.1714822157.

The spelling of 3945596404 in words is "three billion, nine hundred forty-five million, five hundred ninety-six thousand, four hundred four".