481693818 has 24 divisors (see below), whose sum is σ = 980035488. Its totient is φ = 157836328.

The previous prime is 481693811. The next prime is 481693837. The reversal of 481693818 is 818396184.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481693811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9355 + ... + 32417.

It is an arithmetic number, because the mean of its divisors is an integer number (40834812).

Almost surely, 2^481693818 is an apocalyptic number.

481693818 is an abundant number, since it is smaller than the sum of its proper divisors (498341670).

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

481693818 is a wasteful number, since it uses less digits than its factorization.

481693818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23186 (or 23127 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

The square root of 481693818 is about 21947.5241883908. The cubic root of 481693818 is about 783.8934294353.

The spelling of 481693818 in words is "four hundred eighty-one million, six hundred ninety-three thousand, eight hundred eighteen".