2489835 has 16 divisors (see below), whose sum is σ = 4018176. Its totient is φ = 1316448.

The previous prime is 2489831. The next prime is 2489849. The reversal of 2489835 is 5389842.

It is a happy number.

It is not a de Polignac number, because 2489835 - 2² = 2489831 is a prime.

It is a d-powerful number, because it can be written as 2¹⁰ + 4 + 8² + 9² + 8⁴ + 3¹² + 5⁹ .

2489835 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2489793 and 2489802.

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 15 ways as a sum of consecutive naturals, for example, 1252 + ... + 2558.

It is an arithmetic number, because the mean of its divisors is an integer number (251136).

2^2489835 is an apocalyptic number.

2489835 is a deficient number, since it is larger than the sum of its proper divisors (1528341).

2489835 is a wasteful number, since it uses less digits than its factorization.

2489835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442.

The product of its digits is 69120, while the sum is 39.

The square root of 2489835 is about 1577.9211006891. The cubic root of 2489835 is about 135.5366839217.

Subtracting from 2489835 its sum of digits (39), we obtain a triangular number (2489796 = T₂₂₃₁).

The spelling of 2489835 in words is "two million, four hundred eighty-nine thousand, eight hundred thirty-five".