2489833 has 4 divisors (see below), whose sum is σ = 2493828. Its totient is φ = 2485840.

The previous prime is 2489831. The next prime is 2489849. The reversal of 2489833 is 3389842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3389842 = 2 ⋅1694921.

It can be written as a sum of positive squares in 2 ways, for example, as 944784 + 1545049 = 972^2 + 1243^2 .

It is a cyclic number.

It is not a de Polignac number, because 2489833 - 2¹ = 2489831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2489792 and 2489801.

It is not an unprimeable number, because it can be changed into a prime (2489831) 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, 838 + ... + 2383.

It is an arithmetic number, because the mean of its divisors is an integer number (623457).

2^2489833 is an apocalyptic number.

It is an amenable number.

2489833 is a deficient number, since it is larger than the sum of its proper divisors (3995).

2489833 is an equidigital number, since it uses as much as digits as its factorization.

2489833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3994.

The product of its digits is 41472, while the sum is 37.

The square root of 2489833 is about 1577.9204669438. The cubic root of 2489833 is about 135.5366476310.

Subtracting from 2489833 its sum of digits (37), we obtain a triangular number (2489796 = T₂₂₃₁).

Subtracting 2489833 from its reverse (3389842), we obtain a palindrome (900009).

The spelling of 2489833 in words is "two million, four hundred eighty-nine thousand, eight hundred thirty-three".