530749800 has 384 divisors, whose sum is σ = 2202240000. Its totient is φ = 114773760.

The previous prime is 530749787. The next prime is 530749831. The reversal of 530749800 is 8947035.

530749800 is a `hidden beast` number, since 530 + 7 + 49 + 80 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 717831 + ... + 718569.

It is an arithmetic number, because the mean of its divisors is an integer number (5735000).

Almost surely, 2^530749800 is an apocalyptic number.

530749800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530749800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1101120000).

530749800 is an abundant number, since it is smaller than the sum of its proper divisors (1671490200).

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

530749800 is a wasteful number, since it uses less digits than its factorization.

530749800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 530749800 is about 23038.0077263638. The cubic root of 530749800 is about 809.6486816652.

The spelling of 530749800 in words is "five hundred thirty million, seven hundred forty-nine thousand, eight hundred".