3954923768 has 16 divisors (see below), whose sum is σ = 7460978280. Its totient is φ = 1965329568.

The previous prime is 3954923767. The next prime is 3954923773. The reversal of 3954923768 is 8673294593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3954923767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515155 + ... + 1517762.

Almost surely, 2^3954923768 is an apocalyptic number.

It is an amenable number.

3954923768 is a deficient number, since it is larger than the sum of its proper divisors (3506054512).

3954923768 is a wasteful number, since it uses less digits than its factorization.

3954923768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033086 (or 3033082 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 56.

The square root of 3954923768 is about 62888.1846454483. The cubic root of 3954923768 is about 1581.4156739803.

The spelling of 3954923768 in words is "three billion, nine hundred fifty-four million, nine hundred twenty-three thousand, seven hundred sixty-eight".