486995638 has 8 divisors (see below), whose sum is σ = 730648800. Its totient is φ = 243446040.

The previous prime is 486995633. The next prime is 486995699. The reversal of 486995638 is 836599684.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486995633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12813 + ... + 33736.

It is an arithmetic number, because the mean of its divisors is an integer number (91331100).

Almost surely, 2^486995638 is an apocalyptic number.

486995638 is a deficient number, since it is larger than the sum of its proper divisors (243653162).

486995638 is a wasteful number, since it uses less digits than its factorization.

486995638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51782.

The product of its digits is 11197440, while the sum is 58.

The square root of 486995638 is about 22067.9776599488. The cubic root of 486995638 is about 786.7589470491.

The spelling of 486995638 in words is "four hundred eighty-six million, nine hundred ninety-five thousand, six hundred thirty-eight".