2489530 has 16 divisors (see below), whose sum is σ = 4504104. Its totient is φ = 990720.

The previous prime is 2489521. The next prime is 2489533. The reversal of 2489530 is 359842.

It can be written as a sum of positive squares in 4 ways, for example, as 2486929 + 2601 = 1577^2 + 51^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2489492 and 2489501.

It is not an unprimeable number, because it can be changed into a prime (2489533) 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, 1894 + ... + 2926.

2^2489530 is an apocalyptic number.

2489530 is a deficient number, since it is larger than the sum of its proper divisors (2014574).

2489530 is a wasteful number, since it uses less digits than its factorization.

2489530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281.

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

The square root of 2489530 is about 1577.8244515788. The cubic root of 2489530 is about 135.5311493680.

The spelling of 2489530 in words is "two million, four hundred eighty-nine thousand, five hundred thirty".