481897188 has 72 divisors (see below), whose sum is σ = 1267680960. Its totient is φ = 160068960.

The previous prime is 481897187. The next prime is 481897189. The reversal of 481897188 is 881798184.

It is a happy number.

481897188 is a `hidden beast` number, since 481 + 89 + 7 + 1 + 88 = 666.

It is an interprime number because it is at equal distance from previous prime (481897187) and next prime (481897189).

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

It is not an unprimeable number, because it can be changed into a prime (481897183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 348258 + ... + 349638.

It is an arithmetic number, because the mean of its divisors is an integer number (17606680).

Almost surely, 2^481897188 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 481897188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633840480).

481897188 is an abundant number, since it is smaller than the sum of its proper divisors (785783772).

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

481897188 is a wasteful number, since it uses less digits than its factorization.

481897188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759 (or 1745 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 54.

The square root of 481897188 is about 21952.1567960873. The cubic root of 481897188 is about 784.0037332357.

The spelling of 481897188 in words is "four hundred eighty-one million, eight hundred ninety-seven thousand, one hundred eighty-eight".