3961706736 has 40 divisors (see below), whose sum is σ = 11021673040. Its totient is φ = 1218986496.

The previous prime is 3961706729. The next prime is 3961706743. The reversal of 3961706736 is 6376071693.

It is an interprime number because it is at equal distance from previous prime (3961706729) and next prime (3961706743).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3173821 + ... + 3175068.

It is an arithmetic number, because the mean of its divisors is an integer number (275541826).

Almost surely, 2^3961706736 is an apocalyptic number.

It is an amenable number.

3961706736 is an abundant number, since it is smaller than the sum of its proper divisors (7059966304).

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

3961706736 is a wasteful number, since it uses less digits than its factorization.

3961706736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6348913 (or 6348907 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 48.

The square root of 3961706736 is about 62942.0903370709. The cubic root of 3961706736 is about 1582.3192367320.

The spelling of 3961706736 in words is "three billion, nine hundred sixty-one million, seven hundred six thousand, seven hundred thirty-six".