3954409756 has 24 divisors (see below), whose sum is σ = 7588869120. Its totient is φ = 1788044400.

The previous prime is 3954409733. The next prime is 3954409759. The reversal of 3954409756 is 6579044593.

It is a happy number.

3954409756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3954409759) 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, 226866 + ... + 243673.

It is an arithmetic number, because the mean of its divisors is an integer number (316202880).

Almost surely, 2^3954409756 is an apocalyptic number.

It is an amenable number.

3954409756 is a deficient number, since it is larger than the sum of its proper divisors (3634459364).

3954409756 is a wasteful number, since it uses less digits than its factorization.

3954409756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470745 (or 470743 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 52.

The square root of 3954409756 is about 62884.0977990461. The cubic root of 3954409756 is about 1581.3471600721.

The spelling of 3954409756 in words is "three billion, nine hundred fifty-four million, four hundred nine thousand, seven hundred fifty-six".