3954135384 has 96 divisors (see below), whose sum is σ = 11287738800. Its totient is φ = 1248549120.

The previous prime is 3954135371. The next prime is 3954135433. The reversal of 3954135384 is 4835314593.

It is a super-4 number, since 4×3954135384⁴ (a number of 39 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92799 + ... + 128529.

Almost surely, 2^3954135384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3954135384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5643869400).

3954135384 is an abundant number, since it is smaller than the sum of its proper divisors (7333603416).

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

3954135384 is a wasteful number, since it uses less digits than its factorization.

3954135384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35825 (or 35818 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 3954135384 is about 62881.9161921772. The cubic root of 3954135384 is about 1581.3105859313.

The spelling of 3954135384 in words is "three billion, nine hundred fifty-four million, one hundred thirty-five thousand, three hundred eighty-four".