3943947734 has 16 divisors (see below), whose sum is σ = 6077497776. Its totient is φ = 1918144800.

The previous prime is 3943947703. The next prime is 3943947739. The reversal of 3943947734 is 4377493493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3943947739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455324 + ... + 463904.

It is an arithmetic number, because the mean of its divisors is an integer number (379843611).

Almost surely, 2^3943947734 is an apocalyptic number.

3943947734 is a deficient number, since it is larger than the sum of its proper divisors (2133550042).

3943947734 is a wasteful number, since it uses less digits than its factorization.

3943947734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14831.

The product of its digits is 6858432, while the sum is 53.

The square root of 3943947734 is about 62800.8577489193. The cubic root of 3943947734 is about 1579.9513596627.

The spelling of 3943947734 in words is "three billion, nine hundred forty-three million, nine hundred forty-seven thousand, seven hundred thirty-four".