6381958 has 16 divisors (see below), whose sum is σ = 10492416. Its totient is φ = 2887240.

The previous prime is 6381941. The next prime is 6381961. The reversal of 6381958 is 8591836.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6381958.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5235 + ... + 6337.

It is an arithmetic number, because the mean of its divisors is an integer number (655776).

Almost surely, 2^6381958 is an apocalyptic number.

6381958 is a deficient number, since it is larger than the sum of its proper divisors (4110458).

6381958 is a wasteful number, since it uses less digits than its factorization.

6381958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379.

The product of its digits is 51840, while the sum is 40.

The square root of 6381958 is about 2526.2537481417. The cubic root of 6381958 is about 185.4889234237.

The spelling of 6381958 in words is "six million, three hundred eighty-one thousand, nine hundred fifty-eight".