486643238 has 32 divisors (see below), whose sum is σ = 786780000. Its totient is φ = 225054720.

The previous prime is 486643231. The next prime is 486643249. The reversal of 486643238 is 832346684.

It is a super-2 number, since 2×486643238² = 473643282182249288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486643231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344678 + ... + 346086.

It is an arithmetic number, because the mean of its divisors is an integer number (24586875).

Almost surely, 2^486643238 is an apocalyptic number.

486643238 is a deficient number, since it is larger than the sum of its proper divisors (300136762).

486643238 is a wasteful number, since it uses less digits than its factorization.

486643238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640.

The product of its digits is 663552, while the sum is 44.

The square root of 486643238 is about 22059.9917951027. The cubic root of 486643238 is about 786.5691296368.

The spelling of 486643238 in words is "four hundred eighty-six million, six hundred forty-three thousand, two hundred thirty-eight".