3926961765 has 24 divisors (see below), whose sum is σ = 6813057888. Its totient is φ = 2092433760.

The previous prime is 3926961763. The next prime is 3926961769. The reversal of 3926961765 is 5671696293.

It is not a de Polignac number, because 3926961765 - 2¹ = 3926961763 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3926961761) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9102 + ... + 89088.

It is an arithmetic number, because the mean of its divisors is an integer number (283877412).

Almost surely, 2^3926961765 is an apocalyptic number.

It is an amenable number.

3926961765 is a deficient number, since it is larger than the sum of its proper divisors (2886096123).

3926961765 is a wasteful number, since it uses less digits than its factorization.

3926961765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81089 (or 81086 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 3926961765 is about 62665.4750640255. The cubic root of 3926961765 is about 1577.6798940585.

The spelling of 3926961765 in words is "three billion, nine hundred twenty-six million, nine hundred sixty-one thousand, seven hundred sixty-five".