3891230009 has 8 divisors (see below), whose sum is σ = 4053702240. Its totient is φ = 3731975200.

The previous prime is 3891229997. The next prime is 3891230041. The reversal of 3891230009 is 9000321983.

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 3891230009 - 2⁸ = 3891229753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3891230309) 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, 801887 + ... + 806724.

It is an arithmetic number, because the mean of its divisors is an integer number (506712780).

Almost surely, 2^3891230009 is an apocalyptic number.

It is an amenable number.

3891230009 is a deficient number, since it is larger than the sum of its proper divisors (162472231).

3891230009 is a wasteful number, since it uses less digits than its factorization.

3891230009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608711.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 3891230009 is about 62379.7243421290. The cubic root of 3891230009 is about 1572.8801593251.

It can be divided in two parts, 38912 and 30009, that added together give a cube (68921 = 41³).

The spelling of 3891230009 in words is "three billion, eight hundred ninety-one million, two hundred thirty thousand, nine".