6201638 has 16 divisors (see below), whose sum is σ = 9843120. Its totient is φ = 2922336.

The previous prime is 6201599. The next prime is 6201641. The reversal of 6201638 is 8361026.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10856 + ... + 11412.

It is an arithmetic number, because the mean of its divisors is an integer number (615195).

Almost surely, 2^6201638 is an apocalyptic number.

6201638 is a deficient number, since it is larger than the sum of its proper divisors (3641482).

6201638 is a wasteful number, since it uses less digits than its factorization.

6201638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 6201638 is about 2490.3088161913. The cubic root of 6201638 is about 183.7252318259.

The spelling of 6201638 in words is "six million, two hundred one thousand, six hundred thirty-eight".