481381684 has 18 divisors (see below), whose sum is σ = 979955970. Its totient is φ = 206306352.

The previous prime is 481381631. The next prime is 481381711. The reversal of 481381684 is 486183184.

It can be written as a sum of positive squares in only one way, i.e., 284596900 + 196784784 = 16870^2 + 14028^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 481381684.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1227819 + ... + 1228210.

Almost surely, 2^481381684 is an apocalyptic number.

It is an amenable number.

481381684 is an abundant number, since it is smaller than the sum of its proper divisors (498574286).

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

481381684 is a wasteful number, since it uses less digits than its factorization.

481381684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456047 (or 2456038 counting only the distinct ones).

The product of its digits is 147456, while the sum is 43.

The square root of 481381684 is about 21940.4121201039. The cubic root of 481381684 is about 783.7240738185.

The spelling of 481381684 in words is "four hundred eighty-one million, three hundred eighty-one thousand, six hundred eighty-four".