3847801 has 4 divisors (see below), whose sum is σ = 3854692. Its totient is φ = 3840912.

The previous prime is 3847799. The next prime is 3847817. The reversal of 3847801 is 1087483.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1742400 + 2105401 = 1320^2 + 1451^2 .

It is a cyclic number.

It is not a de Polignac number, because 3847801 - 2¹ = 3847799 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3847871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2526 + ... + 3751.

It is an arithmetic number, because the mean of its divisors is an integer number (963673).

Almost surely, 2^3847801 is an apocalyptic number.

It is an amenable number.

3847801 is a deficient number, since it is larger than the sum of its proper divisors (6891).

3847801 is an equidigital number, since it uses as much as digits as its factorization.

3847801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6890.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 3847801 is about 1961.5812499104. The cubic root of 3847801 is about 156.7006751783.

The spelling of 3847801 in words is "three million, eight hundred forty-seven thousand, eight hundred one".