2489236 has 12 divisors (see below), whose sum is σ = 4367412. Its totient is φ = 1241408.

The previous prime is 2489219. The next prime is 2489237. The reversal of 2489236 is 6329842.

It can be written as a sum of positive squares in 2 ways, for example, as 799236 + 1690000 = 894^2 + 1300^2 .

It is a d-powerful number, because it can be written as 2¹⁸ + 4⁷ + 8⁶ + 9⁴ + 2¹⁸ + 3⁵ + 6⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489237) 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 3 ways as a sum of consecutive naturals, for example, 2136 + ... + 3088.

It is an arithmetic number, because the mean of its divisors is an integer number (363951).

2^2489236 is an apocalyptic number.

It is an amenable number.

2489236 is a deficient number, since it is larger than the sum of its proper divisors (1878176).

2489236 is a wasteful number, since it uses less digits than its factorization.

2489236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610 (or 1608 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 2489236 is about 1577.7312825700. The cubic root of 2489236 is about 135.5258139932.

Subtracting 2489236 from its reverse (6329842), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 2489236 in words is "two million, four hundred eighty-nine thousand, two hundred thirty-six".