506690 has 16 divisors (see below), whose sum is σ = 952128. Its totient is φ = 193776.

The previous prime is 506689. The next prime is 506699. The reversal of 506690 is 96605.

It is a super-2 number, since 2×506690² = 513469512200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (506699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872 + ... + 1331.

It is an arithmetic number, because the mean of its divisors is an integer number (59508).

2⁵⁰⁶⁶⁹⁰ is an apocalyptic number.

506690 is a deficient number, since it is larger than the sum of its proper divisors (445438).

506690 is a wasteful number, since it uses less digits than its factorization.

506690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 506690 is about 711.8216068651. The cubic root of 506690 is about 79.7224758677.

The spelling of 506690 in words is "five hundred six thousand, six hundred ninety".