2040494 has 4 divisors (see below), whose sum is σ = 3060744. Its totient is φ = 1020246.

The previous prime is 2040481. The next prime is 2040497. The reversal of 2040494 is 4940402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4940402 = 2 ⋅2470201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510122 + ... + 510125.

It is an arithmetic number, because the mean of its divisors is an integer number (765186).

2^2040494 is an apocalyptic number.

2040494 is a deficient number, since it is larger than the sum of its proper divisors (1020250).

2040494 is a wasteful number, since it uses less digits than its factorization.

2040494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020249.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2040494 is about 1428.4586098309. The cubic root of 2040494 is about 126.8367505851.

Adding to 2040494 its reverse (4940402), we get a palindrome (6980896).

The spelling of 2040494 in words is "two million, forty thousand, four hundred ninety-four".