2560046 has 4 divisors (see below), whose sum is σ = 3840072. Its totient is φ = 1280022.

The previous prime is 2560039. The next prime is 2560049. The reversal of 2560046 is 6400652.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640010 + ... + 640013.

It is an arithmetic number, because the mean of its divisors is an integer number (960018).

2^2560046 is an apocalyptic number.

2560046 is a deficient number, since it is larger than the sum of its proper divisors (1280026).

2560046 is a wasteful number, since it uses less digits than its factorization.

2560046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280025.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2560046 is about 1600.0143749354. The cubic root of 2560046 is about 136.7988950927.

Adding to 2560046 its reverse (6400652), we get a palindrome (8960698).

Subtracting 2560046 from its reverse (6400652), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 2560046 in words is "two million, five hundred sixty thousand, forty-six".