3852728893 has 8 divisors (see below), whose sum is σ = 4153968728. Its totient is φ = 3552185664.

The previous prime is 3852728863. The next prime is 3852728897. The reversal of 3852728893 is 3988272583.

It can be written as a sum of positive squares in 4 ways, for example, as 30769209 + 3821959684 = 5547^2 + 61822^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3852728893 - 2¹³ = 3852720701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3852728897) 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, 162630 + ... + 184807.

It is an arithmetic number, because the mean of its divisors is an integer number (519246091).

Almost surely, 2^3852728893 is an apocalyptic number.

It is an amenable number.

3852728893 is a deficient number, since it is larger than the sum of its proper divisors (301239835).

3852728893 is a wasteful number, since it uses less digits than its factorization.

3852728893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348303.

The product of its digits is 5806080, while the sum is 55.

The square root of 3852728893 is about 62070.3543811375. The cubic root of 3852728893 is about 1567.6754235253.

The spelling of 3852728893 in words is "three billion, eight hundred fifty-two million, seven hundred twenty-eight thousand, eight hundred ninety-three".