530856840 has 32 divisors (see below), whose sum is σ = 1592570880. Its totient is φ = 141561792.

The previous prime is 530856811. The next prime is 530856863. The reversal of 530856840 is 48658035.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2211784 + ... + 2212023.

It is an arithmetic number, because the mean of its divisors is an integer number (49767840).

Almost surely, 2^530856840 is an apocalyptic number.

It is an amenable number.

530856840 is an abundant number, since it is smaller than the sum of its proper divisors (1061714040).

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

530856840 is a wasteful number, since it uses less digits than its factorization.

530856840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4423821 (or 4423817 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 530856840 is about 23040.3307267930. The cubic root of 530856840 is about 809.7031071650.

The spelling of 530856840 in words is "five hundred thirty million, eight hundred fifty-six thousand, eight hundred forty".