3847464009 has 8 divisors (see below), whose sum is σ = 5699946720. Its totient is φ = 2564975988.

The previous prime is 3847464007. The next prime is 3847464011. The reversal of 3847464009 is 9004647483.

It is an interprime number because it is at equal distance from previous prime (3847464007) and next prime (3847464011).

It is not a de Polignac number, because 3847464009 - 2¹ = 3847464007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3847464007) 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, 71249307 + ... + 71249360.

It is an arithmetic number, because the mean of its divisors is an integer number (712493340).

Almost surely, 2^3847464009 is an apocalyptic number.

It is an amenable number.

3847464009 is a deficient number, since it is larger than the sum of its proper divisors (1852482711).

3847464009 is a wasteful number, since it uses less digits than its factorization.

3847464009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142498676 (or 142498670 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 3847464009 is about 62027.9292657751. The cubic root of 3847464009 is about 1566.9610042170.

It can be divided in two parts, 3847 and 464009, that added together give a square (467856 = 684²).

The spelling of 3847464009 in words is "three billion, eight hundred forty-seven million, four hundred sixty-four thousand, nine".