2489685 has 32 divisors (see below), whose sum is σ = 4423680. Its totient is φ = 1185600.

The previous prime is 2489671. The next prime is 2489687. The reversal of 2489685 is 5869842.

It is not a de Polignac number, because 2489685 - 2¹¹ = 2487637 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12940 + ... + 13130.

It is an arithmetic number, because the mean of its divisors is an integer number (138240).

2^2489685 is an apocalyptic number.

It is an amenable number.

2489685 is a deficient number, since it is larger than the sum of its proper divisors (1933995).

2489685 is a wasteful number, since it uses less digits than its factorization.

2489685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289.

The product of its digits is 138240, while the sum is 42.

The square root of 2489685 is about 1577.8735690796. The cubic root of 2489685 is about 135.5339620665.

The spelling of 2489685 in words is "two million, four hundred eighty-nine thousand, six hundred eighty-five".