6143638 has 12 divisors (see below), whose sum is σ = 9338220. Its totient is φ = 3031340.

The previous prime is 6143629. The next prime is 6143639. The reversal of 6143638 is 8363416.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6143639) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34233 + ... + 34411.

It is an arithmetic number, because the mean of its divisors is an integer number (778185).

Almost surely, 2^6143638 is an apocalyptic number.

6143638 is a deficient number, since it is larger than the sum of its proper divisors (3194582).

6143638 is a wasteful number, since it uses less digits than its factorization.

6143638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 312 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 6143638 is about 2478.6363186236. The cubic root of 6143638 is about 183.1506816324.

The spelling of 6143638 in words is "six million, one hundred forty-three thousand, six hundred thirty-eight".