920506 has 8 divisors (see below), whose sum is σ = 1440864. Its totient is φ = 440220.

The previous prime is 920497. The next prime is 920509. The reversal of 920506 is 605029.

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

920506 is a modest number, since divided by 506 gives 92 as remainder.

It is not an unprimeable number, because it can be changed into a prime (920509) 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 3 ways as a sum of consecutive naturals, for example, 9960 + ... + 10051.

It is an arithmetic number, because the mean of its divisors is an integer number (180108).

2⁹²⁰⁵⁰⁶ is an apocalyptic number.

920506 is a deficient number, since it is larger than the sum of its proper divisors (520358).

920506 is a wasteful number, since it uses less digits than its factorization.

920506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20036.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 920506 is about 959.4300391378. The cubic root of 920506 is about 97.2767101491.

The spelling of 920506 in words is "nine hundred twenty thousand, five hundred six".