530420890 has 12 divisors (see below), whose sum is σ = 954888714. Its totient is φ = 212139224.

The previous prime is 530420861. The next prime is 530420903. The reversal of 530420890 is 98024035.

It can be written as a sum of positive squares in only one way, i.e., 477378801 + 53042089 = 21849^2 + 7283^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69189 + ... + 76471.

Almost surely, 2^530420890 is an apocalyptic number.

530420890 is a deficient number, since it is larger than the sum of its proper divisors (424467824).

530420890 is an frugal number, since it uses more digits than its factorization.

530420890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14573 (or 7290 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 530420890 is about 23030.8681990063. The cubic root of 530420890 is about 809.4813984641.

The spelling of 530420890 in words is "five hundred thirty million, four hundred twenty thousand, eight hundred ninety".