3886720093 has 8 divisors (see below), whose sum is σ = 4046451128. Its totient is φ = 3729867264.

The previous prime is 3886720087. The next prime is 3886720111. The reversal of 3886720093 is 3900276883.

It can be written as a sum of positive squares in 4 ways, for example, as 648313444 + 3238406649 = 25462^2 + 56907^2 .

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 3886720093 - 2²⁵ = 3853165661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3886727093) 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, 716796 + ... + 722197.

It is an arithmetic number, because the mean of its divisors is an integer number (505806391).

Almost surely, 2^3886720093 is an apocalyptic number.

It is an amenable number.

3886720093 is a deficient number, since it is larger than the sum of its proper divisors (159731035).

3886720093 is a wasteful number, since it uses less digits than its factorization.

3886720093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439103.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 3886720093 is about 62343.5649686477. The cubic root of 3886720093 is about 1572.2722710215.

The spelling of 3886720093 in words is "three billion, eight hundred eighty-six million, seven hundred twenty thousand, ninety-three".