3968636934 has 8 divisors (see below), whose sum is σ = 7937273880. Its totient is φ = 1322878976.

The previous prime is 3968636933. The next prime is 3968636993. The reversal of 3968636934 is 4396368693.

It is a sphenic number, since it is the product of 3 distinct primes.

3968636934 is an admirable number.

It is a super-2 number, since 2×3968636934² = 31500158227817840712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3968636933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330719739 + ... + 330719750.

It is an arithmetic number, because the mean of its divisors is an integer number (992159235).

Almost surely, 2^3968636934 is an apocalyptic number.

3968636934 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3968636934 is a wasteful number, since it uses less digits than its factorization.

3968636934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661439494.

The product of its digits is 15116544, while the sum is 57.

The square root of 3968636934 is about 62997.1184579104. The cubic root of 3968636934 is about 1583.2413475302.

The spelling of 3968636934 in words is "three billion, nine hundred sixty-eight million, six hundred thirty-six thousand, nine hundred thirty-four".