2040291 has 24 divisors (see below), whose sum is σ = 3307824. Its totient is φ = 1200960.

The previous prime is 2040287. The next prime is 2040293. The reversal of 2040291 is 1920402.

It is not a de Polignac number, because 2040291 - 2² = 2040287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2040293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3385 + ... + 3941.

It is an arithmetic number, because the mean of its divisors is an integer number (137826).

2^2040291 is an apocalyptic number.

2040291 is a deficient number, since it is larger than the sum of its proper divisors (1267533).

2040291 is a wasteful number, since it uses less digits than its factorization.

2040291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2040291 is about 1428.3875524521. The cubic root of 2040291 is about 126.8325442974.

Adding to 2040291 its reverse (1920402), we get a palindrome (3960693).

The spelling of 2040291 in words is "two million, forty thousand, two hundred ninety-one".