920003 has 8 divisors (see below), whose sum is σ = 1059072. Its totient is φ = 782856.

The previous prime is 919979. The next prime is 920011. The reversal of 920003 is 300029.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 920003 - 2⁶ = 919939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 920003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920053) 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, 776 + ... + 1562.

It is an arithmetic number, because the mean of its divisors is an integer number (132384).

2⁹²⁰⁰⁰³ is an apocalyptic number.

920003 is a deficient number, since it is larger than the sum of its proper divisors (139069).

920003 is a wasteful number, since it uses less digits than its factorization.

920003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 920003 is about 959.1678685194. The cubic root of 920003 is about 97.2589883379.

The spelling of 920003 in words is "nine hundred twenty thousand, three".