6381790 has 8 divisors (see below), whose sum is σ = 11487240. Its totient is φ = 2552712.

The previous prime is 6381761. The next prime is 6381799. The reversal of 6381790 is 971836.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6381799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319080 + ... + 319099.

It is an arithmetic number, because the mean of its divisors is an integer number (1435905).

Almost surely, 2^6381790 is an apocalyptic number.

6381790 is a deficient number, since it is larger than the sum of its proper divisors (5105450).

6381790 is a wasteful number, since it uses less digits than its factorization.

6381790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638186.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 6381790 is about 2526.2204971063. The cubic root of 6381790 is about 185.4872957930.

The spelling of 6381790 in words is "six million, three hundred eighty-one thousand, seven hundred ninety".