2920003 has 4 divisors (see below), whose sum is σ = 2998960. Its totient is φ = 2841048.

The previous prime is 2919989. The next prime is 2920013. The reversal of 2920003 is 3000292.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2920003 - 2⁹ = 2919491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2920013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39423 + ... + 39496.

It is an arithmetic number, because the mean of its divisors is an integer number (749740).

2^2920003 is an apocalyptic number.

2920003 is a deficient number, since it is larger than the sum of its proper divisors (78957).

2920003 is an equidigital number, since it uses as much as digits as its factorization.

2920003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78956.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2920003 is about 1708.8016268719. The cubic root of 2920003 is about 142.9314389254.

Adding to 2920003 its reverse (3000292), we get a palindrome (5920295).

The spelling of 2920003 in words is "two million, nine hundred twenty thousand, three".