2040007 has 4 divisors (see below), whose sum is σ = 2061136. Its totient is φ = 2018880.

The previous prime is 2039993. The next prime is 2040019. The reversal of 2040007 is 7000402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7000402 = 2 ⋅3500201.

It is a cyclic number.

It is not a de Polignac number, because 2040007 - 2⁷ = 2039879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040047) 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, 10419 + ... + 10612.

It is an arithmetic number, because the mean of its divisors is an integer number (515284).

2^2040007 is an apocalyptic number.

2040007 is a deficient number, since it is larger than the sum of its proper divisors (21129).

2040007 is an equidigital number, since it uses as much as digits as its factorization.

2040007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21128.

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 2040007 is about 1428.2881361966. The cubic root of 2040007 is about 126.8266591705.

Adding to 2040007 its reverse (7000402), we get a palindrome (9040409).

The spelling of 2040007 in words is "two million, forty thousand, seven".