6381633 has 8 divisors (see below), whose sum is σ = 8522496. Its totient is φ = 4247600.

The previous prime is 6381619. The next prime is 6381643. The reversal of 6381633 is 3361836.

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 6381633 - 2⁶ = 6381569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6381633.

It is not an unprimeable number, because it can be changed into a prime (6381643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1168 + ... + 3758.

It is an arithmetic number, because the mean of its divisors is an integer number (1065312).

Almost surely, 2^6381633 is an apocalyptic number.

It is an amenable number.

6381633 is a deficient number, since it is larger than the sum of its proper divisors (2140863).

6381633 is a wasteful number, since it uses less digits than its factorization.

6381633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415.

The product of its digits is 7776, while the sum is 30.

The square root of 6381633 is about 2526.1894228264. The cubic root of 6381633 is about 185.4857747075.

The spelling of 6381633 in words is "six million, three hundred eighty-one thousand, six hundred thirty-three".