3945000852 has 72 divisors (see below), whose sum is σ = 11085634560. Its totient is φ = 1174685760.

The previous prime is 3945000847. The next prime is 3945000863. The reversal of 3945000852 is 2580005493.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121452 + ... + 150467.

Almost surely, 2^3945000852 is an apocalyptic number.

It is an amenable number.

3945000852 is an abundant number, since it is smaller than the sum of its proper divisors (7140633708).

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

3945000852 is a wasteful number, since it uses less digits than its factorization.

3945000852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271973 (or 271968 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 3945000852 is about 62809.2417722106. The cubic root of 3945000852 is about 1580.0919740296.

The spelling of 3945000852 in words is "three billion, nine hundred forty-five million, eight hundred fifty-two", and thus it is an aban number.