2560890 has 16 divisors (see below), whose sum is σ = 6146208. Its totient is φ = 682896.

The previous prime is 2560871. The next prime is 2560891. The reversal of 2560890 is 980652.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 85363 = 2560890 / (2 + 5 + 6 + 0 + 8 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (2560891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42652 + ... + 42711.

It is an arithmetic number, because the mean of its divisors is an integer number (384138).

2^2560890 is an apocalyptic number.

2560890 is an abundant number, since it is smaller than the sum of its proper divisors (3585318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2560890 is a wasteful number, since it uses less digits than its factorization.

2560890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85373.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 2560890 is about 1600.2781008312. The cubic root of 2560890 is about 136.8139267994.

The spelling of 2560890 in words is "two million, five hundred sixty thousand, eight hundred ninety".