3916856944 has 400 divisors, whose sum is σ = 11203282944. Its totient is φ = 1303948800.

The previous prime is 3916856941. The next prime is 3916856959. The reversal of 3916856944 is 4496586193.

It is a happy number.

It is a super-2 number, since 2×3916856944² = 30683536639522038272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3916856941) 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 79 ways as a sum of consecutive naturals, for example, 126350209 + ... + 126350239.

Almost surely, 2^3916856944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3916856944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5601641472).

3916856944 is an abundant number, since it is smaller than the sum of its proper divisors (7286426000).

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

3916856944 is a wasteful number, since it uses less digits than its factorization.

3916856944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 87 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 55.

The square root of 3916856944 is about 62584.7980263578. The cubic root of 3916856944 is about 1576.3255080179.

The spelling of 3916856944 in words is "three billion, nine hundred sixteen million, eight hundred fifty-six thousand, nine hundred forty-four".