3953562872 has 16 divisors (see below), whose sum is σ = 8471920560. Its totient is φ = 1694384064.

The previous prime is 3953562869. The next prime is 3953562901. The reversal of 3953562872 is 2782653593.

It is a self number, because there is not a number n which added to its sum of digits gives 3953562872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35299613 + ... + 35299724.

It is an arithmetic number, because the mean of its divisors is an integer number (529495035).

Almost surely, 2^3953562872 is an apocalyptic number.

It is an amenable number.

3953562872 is an abundant number, since it is smaller than the sum of its proper divisors (4518357688).

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

3953562872 is a wasteful number, since it uses less digits than its factorization.

3953562872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70599350 (or 70599346 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 50.

The square root of 3953562872 is about 62877.3637488087. The cubic root of 3953562872 is about 1581.2342638959.

The spelling of 3953562872 in words is "three billion, nine hundred fifty-three million, five hundred sixty-two thousand, eight hundred seventy-two".