3894401744 has 10 divisors (see below), whose sum is σ = 7545403410. Its totient is φ = 1947200864.

The previous prime is 3894401741. The next prime is 3894401801. The reversal of 3894401744 is 4471044983.

It can be written as a sum of positive squares in only one way, i.e., 2257390144 + 1637011600 = 47512^2 + 40460^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3894401695 and 3894401704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894401741) 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, 121700039 + ... + 121700070.

It is an arithmetic number, because the mean of its divisors is an integer number (754540341).

Almost surely, 2^3894401744 is an apocalyptic number.

It is an amenable number.

3894401744 is a deficient number, since it is larger than the sum of its proper divisors (3651001666).

3894401744 is a wasteful number, since it uses less digits than its factorization.

3894401744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243400117 (or 243400111 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 3894401744 is about 62405.1419676296. The cubic root of 3894401744 is about 1573.3073939194.

The spelling of 3894401744 in words is "three billion, eight hundred ninety-four million, four hundred one thousand, seven hundred forty-four".