3953957388 has 12 divisors (see below), whose sum is σ = 9225900600. Its totient is φ = 1317985792.

The previous prime is 3953957387. The next prime is 3953957401. The reversal of 3953957388 is 8837593593.

3953957388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3953957388² = 31267558052239565088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3953957387) 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, 164748213 + ... + 164748236.

It is an arithmetic number, because the mean of its divisors is an integer number (768825050).

Almost surely, 2^3953957388 is an apocalyptic number.

It is an amenable number.

3953957388 is an abundant number, since it is smaller than the sum of its proper divisors (5271943212).

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

3953957388 is a wasteful number, since it uses less digits than its factorization.

3953957388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329496456 (or 329496454 counting only the distinct ones).

The product of its digits is 24494400, while the sum is 60.

The square root of 3953957388 is about 62880.5008567839. The cubic root of 3953957388 is about 1581.2868579305.

The spelling of 3953957388 in words is "three billion, nine hundred fifty-three million, nine hundred fifty-seven thousand, three hundred eighty-eight".