481890306 has 8 divisors (see below), whose sum is σ = 963780624. Its totient is φ = 160630100.

The previous prime is 481890259. The next prime is 481890307. The reversal of 481890306 is 603098184.

It is a sphenic number, since it is the product of 3 distinct primes.

481890306 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (481890307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40157520 + ... + 40157531.

It is an arithmetic number, because the mean of its divisors is an integer number (120472578).

Almost surely, 2^481890306 is an apocalyptic number.

481890306 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

481890306 is a wasteful number, since it uses less digits than its factorization.

481890306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80315056.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 481890306 is about 21952.0000455539. Note that the first 4 decimals coincide. The cubic root of 481890306 is about 784.0000010846. Note that the first 5 decimals are identical.

The spelling of 481890306 in words is "four hundred eighty-one million, eight hundred ninety thousand, three hundred six".