3847001 has 8 divisors (see below), whose sum is σ = 3980424. Its totient is φ = 3715200.

The previous prime is 3846991. The next prime is 3847013. The reversal of 3847001 is 1007483.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2886601 + 960400 = 1699^2 + 980^2 .

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 3847001 - 2¹⁰ = 3845977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3847021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6101 + ... + 6701.

It is an arithmetic number, because the mean of its divisors is an integer number (497553).

Almost surely, 2^3847001 is an apocalyptic number.

It is an amenable number.

3847001 is a deficient number, since it is larger than the sum of its proper divisors (133423).

3847001 is a wasteful number, since it uses less digits than its factorization.

3847001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 3847001 is about 1961.3773221897. The cubic root of 3847001 is about 156.6898144963.

The spelling of 3847001 in words is "three million, eight hundred forty-seven thousand, one".