3996067438 has 16 divisors (see below), whose sum is σ = 6539993136. Its totient is φ = 1816123840.

The previous prime is 3996067433. The next prime is 3996067487. The reversal of 3996067438 is 8347606993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3996067433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265770 + ... + 280402.

It is an arithmetic number, because the mean of its divisors is an integer number (408749571).

Almost surely, 2^3996067438 is an apocalyptic number.

3996067438 is a deficient number, since it is larger than the sum of its proper divisors (2543925698).

3996067438 is a wasteful number, since it uses less digits than its factorization.

3996067438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27059.

The product of its (nonzero) digits is 5878656, while the sum is 55.

The square root of 3996067438 is about 63214.4559258403. The cubic root of 3996067438 is about 1586.8806686396.

It can be divided in two parts, 399606 and 7438, that added together give a square (407044 = 638²).

The spelling of 3996067438 in words is "three billion, nine hundred ninety-six million, sixty-seven thousand, four hundred thirty-eight".