2456985 has 32 divisors (see below), whose sum is σ = 4268160. Its totient is φ = 1202688.

The previous prime is 2456983. The next prime is 2456989. The reversal of 2456985 is 5896542.

It is not a de Polignac number, because 2456985 - 2¹ = 2456983 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2456981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10429 + ... + 10661.

It is an arithmetic number, because the mean of its divisors is an integer number (133380).

2^2456985 is an apocalyptic number.

It is an amenable number.

2456985 is a deficient number, since it is larger than the sum of its proper divisors (1811175).

2456985 is a wasteful number, since it uses less digits than its factorization.

2456985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297.

The product of its digits is 86400, while the sum is 39.

The square root of 2456985 is about 1567.4772725625. The cubic root of 2456985 is about 134.9379687581.

The spelling of 2456985 in words is "two million, four hundred fifty-six thousand, nine hundred eighty-five".