486694656 has 270 divisors, whose sum is σ = 1691696160. Its totient is φ = 138765312.

The previous prime is 486694639. The next prime is 486694657. The reversal of 486694656 is 656496684.

It is a super-3 number, since 3×486694656³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486694657) by changing a digit.

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 29 ways as a sum of consecutive naturals, for example, 1015825 + ... + 1016303.

Almost surely, 2^486694656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 486694656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (845848080).

486694656 is an abundant number, since it is smaller than the sum of its proper divisors (1205001504).

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

486694656 is an equidigital number, since it uses as much as digits as its factorization.

486694656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 491 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The square root of 486694656 is about 22061.1571772652. The cubic root of 486694656 is about 786.5968312356.

The spelling of 486694656 in words is "four hundred eighty-six million, six hundred ninety-four thousand, six hundred fifty-six".