6001638 has 8 divisors (see below), whose sum is σ = 12003288. Its totient is φ = 2000544.

The previous prime is 6001627. The next prime is 6001669. The reversal of 6001638 is 8361006.

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

6001638 is an admirable number.

6001638 is a modest number, since divided by 1638 gives 6 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500131 + ... + 500142.

It is an arithmetic number, because the mean of its divisors is an integer number (1500411).

Almost surely, 2^6001638 is an apocalyptic number.

6001638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6001638 is a wasteful number, since it uses less digits than its factorization.

6001638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000278.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 6001638 is about 2449.8240753164. The cubic root of 6001638 is about 181.7285935761.

The spelling of 6001638 in words is "six million, one thousand, six hundred thirty-eight".