3964726634 has 16 divisors (see below), whose sum is σ = 6488747136. Its totient is φ = 1801867200.

The previous prime is 3964726613. The next prime is 3964726697. The reversal of 3964726634 is 4366274693.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 208034 + ... + 226290.

It is an arithmetic number, because the mean of its divisors is an integer number (405546696).

Almost surely, 2^3964726634 is an apocalyptic number.

3964726634 is a deficient number, since it is larger than the sum of its proper divisors (2524020502).

3964726634 is a wasteful number, since it uses less digits than its factorization.

3964726634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28141.

The product of its digits is 3919104, while the sum is 50.

The square root of 3964726634 is about 62966.0752627953. The cubic root of 3964726634 is about 1582.7211871516.

The spelling of 3964726634 in words is "three billion, nine hundred sixty-four million, seven hundred twenty-six thousand, six hundred thirty-four".