3961405184 has 144 divisors (see below), whose sum is σ = 9296308224. Its totient is φ = 1665945600.

The previous prime is 3961405103. The next prime is 3961405193. The reversal of 3961405184 is 4815041693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2006822 + ... + 2008794.

It is an arithmetic number, because the mean of its divisors is an integer number (64557696).

Almost surely, 2^3961405184 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 3961405184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4648154112).

3961405184 is an abundant number, since it is smaller than the sum of its proper divisors (5334903040).

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

3961405184 is a wasteful number, since it uses less digits than its factorization.

3961405184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054 (or 2040 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 3961405184 is about 62939.6948197241. The cubic root of 3961405184 is about 1582.2790887462.

The spelling of 3961405184 in words is "three billion, nine hundred sixty-one million, four hundred five thousand, one hundred eighty-four".