530491870 has 16 divisors (see below), whose sum is σ = 956506320. Its totient is φ = 211836544.

The previous prime is 530491859. The next prime is 530491877. The reversal of 530491870 is 78194035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530491877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38800 + ... + 50659.

It is an arithmetic number, because the mean of its divisors is an integer number (59781645).

Almost surely, 2^530491870 is an apocalyptic number.

530491870 is a deficient number, since it is larger than the sum of its proper divisors (426014450).

530491870 is a wasteful number, since it uses less digits than its factorization.

530491870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90059.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 530491870 is about 23032.4091227991. The cubic root of 530491870 is about 809.5175046507.

The spelling of 530491870 in words is "five hundred thirty million, four hundred ninety-one thousand, eight hundred seventy".