6381801 has 24 divisors (see below), whose sum is σ = 9750240. Its totient is φ = 4125096.

The previous prime is 6381799. The next prime is 6381811. The reversal of 6381801 is 1081836.

It is not a de Polignac number, because 6381801 - 2¹ = 6381799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6381811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59590 + ... + 59696.

It is an arithmetic number, because the mean of its divisors is an integer number (406260).

Almost surely, 2^6381801 is an apocalyptic number.

It is an amenable number.

6381801 is a deficient number, since it is larger than the sum of its proper divisors (3368439).

6381801 is a wasteful number, since it uses less digits than its factorization.

6381801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 6381801 is about 2526.2226742708. Note that the first 3 decimals coincide. The cubic root of 6381801 is about 185.4874023649.

The spelling of 6381801 in words is "six million, three hundred eighty-one thousand, eight hundred one".