3953953272 has 32 divisors (see below), whose sum is σ = 9888278400. Its totient is φ = 1317531744.

The previous prime is 3953953217. The next prime is 3953953277. The reversal of 3953953272 is 2723593593.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3953953277) 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, 47143 + ... + 100649.

It is an arithmetic number, because the mean of its divisors is an integer number (309008700).

Almost surely, 2^3953953272 is an apocalyptic number.

It is an amenable number.

3953953272 is an abundant number, since it is smaller than the sum of its proper divisors (5934325128).

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

3953953272 is a wasteful number, since it uses less digits than its factorization.

3953953272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56595 (or 56591 counting only the distinct ones).

The product of its digits is 1530900, while the sum is 48.

The square root of 3953953272 is about 62880.4681280284. The cubic root of 3953953272 is about 1581.2863092331.

The spelling of 3953953272 in words is "three billion, nine hundred fifty-three million, nine hundred fifty-three thousand, two hundred seventy-two".