530690 has 8 divisors (see below), whose sum is σ = 955260. Its totient is φ = 212272.

The previous prime is 530669. The next prime is 530693. The reversal of 530690 is 96035.

It can be written as a sum of positive squares in 2 ways, for example, as 494209 + 36481 = 703^2 + 191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×530690² = 563263752200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (530693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26525 + ... + 26544.

2⁵³⁰⁶⁹⁰ is an apocalyptic number.

530690 is a deficient number, since it is larger than the sum of its proper divisors (424570).

530690 is a wasteful number, since it uses less digits than its factorization.

530690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53076.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 530690 is about 728.4847287349. The cubic root of 530690 is about 80.9618272604.

The spelling of 530690 in words is "five hundred thirty thousand, six hundred ninety".