2489305 has 16 divisors (see below), whose sum is σ = 3677184. Its totient is φ = 1575360.

The previous prime is 2489287. The next prime is 2489309. The reversal of 2489305 is 5039842.

It is not a de Polignac number, because 2489305 - 2¹³ = 2481113 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁷ + 4⁶ + 8³ + 9⁶ + 3 + 0 + 5⁹ .

It is not an unprimeable number, because it can be changed into a prime (2489309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2281 + ... + 3190.

It is an arithmetic number, because the mean of its divisors is an integer number (229824).

2^2489305 is an apocalyptic number.

It is an amenable number.

2489305 is a deficient number, since it is larger than the sum of its proper divisors (1187879).

2489305 is a wasteful number, since it uses less digits than its factorization.

2489305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5496.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2489305 is about 1577.7531492600. The cubic root of 2489305 is about 135.5270662107.

The spelling of 2489305 in words is "two million, four hundred eighty-nine thousand, three hundred five".