481890828 has 18 divisors (see below), whose sum is σ = 1124589396. Its totient is φ = 160604928.

The previous prime is 481890821. The next prime is 481890841. The reversal of 481890828 is 828098184.

It is a super-2 number, since 2×481890828² = 464437540221051168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (481890821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72876 + ... + 79212.

Almost surely, 2^481890828 is an apocalyptic number.

It is an amenable number.

481890828 is an abundant number, since it is smaller than the sum of its proper divisors (642698568).

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

481890828 is an frugal number, since it uses more digits than its factorization.

481890828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12681 (or 6342 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 48.

The square root of 481890828 is about 21952.0119351280. The cubic root of 481890828 is about 784.0002841697. Note that the first 3 decimals are identical.

Multiplying 481890828 by its sum of digits (48), we get a square (23130759744 = 152088²).

The spelling of 481890828 in words is "four hundred eighty-one million, eight hundred ninety thousand, eight hundred twenty-eight".