920493 has 24 divisors (see below), whose sum is σ = 1601600. Its totient is φ = 497664.

The previous prime is 920477. The next prime is 920497. The reversal of 920493 is 394029.

It is not a de Polignac number, because 920493 - 2⁴ = 920477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920497) 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 23 ways as a sum of consecutive naturals, for example, 813 + ... + 1581.

2⁹²⁰⁴⁹³ is an apocalyptic number.

It is an amenable number.

920493 is a deficient number, since it is larger than the sum of its proper divisors (681107).

920493 is a wasteful number, since it uses less digits than its factorization.

920493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 920493 is about 959.4232642583. The cubic root of 920493 is about 97.2762522114.

It can be divided in two parts, 9 and 20493, that added together give a palindrome (20502).

The spelling of 920493 in words is "nine hundred twenty thousand, four hundred ninety-three".