2489796 has 72 divisors (see below), whose sum is σ = 6849024. Its totient is φ = 760320.

The previous prime is 2489789. The next prime is 2489797. The reversal of 2489796 is 6979842.

It is a happy number.

2489796 is a nontrivial binomial coefficient, being equal to C(2232, 2).

It is not an unprimeable number, because it can be changed into a prime (2489797) 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 23 ways as a sum of consecutive naturals, for example, 25620 + ... + 25716.

2^2489796 is an apocalyptic number.

2489796 is the 2231-st triangular number and also the 1116-th hexagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2489796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3424512).

2489796 is an abundant number, since it is smaller than the sum of its proper divisors (4359228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2489796 is a wasteful number, since it uses less digits than its factorization.

2489796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 156 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 2489796 is about 1577.9087426084. The cubic root of 2489796 is about 135.5359762499.

The spelling of 2489796 in words is "two million, four hundred eighty-nine thousand, seven hundred ninety-six".