2489810 has 8 divisors (see below), whose sum is σ = 4481676. Its totient is φ = 995920.

The previous prime is 2489801. The next prime is 2489813. The reversal of 2489810 is 189842.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2199289 + 290521 = 1483^2 + 539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2489810² = 12398307672200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2489813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124481 + ... + 124500.

2^2489810 is an apocalyptic number.

2489810 is a deficient number, since it is larger than the sum of its proper divisors (1991866).

2489810 is a wasteful number, since it uses less digits than its factorization.

2489810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248988.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 2489810 is about 1577.9131788536. The cubic root of 2489810 is about 135.5362302867.

Adding to 2489810 its sum of digits (32), we get a palindrome (2489842).

Subtracting from 2489810 its reverse (189842), we obtain a cube (2299968 = 132³).

The spelling of 2489810 in words is "two million, four hundred eighty-nine thousand, eight hundred ten".