2489040 has 60 divisors (see below), whose sum is σ = 8361444. Its totient is φ = 663552.

The previous prime is 2489017. The next prime is 2489077. The reversal of 2489040 is 409842.

It can be written as a sum of positive squares in 2 ways, for example, as 345744 + 2143296 = 588^2 + 1464^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a junction number, because it is equal to n+sod(n) for n = 2488995 and 2489013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1009 + ... + 2448.

2^2489040 is an apocalyptic number.

2489040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2489040 is an abundant number, since it is smaller than the sum of its proper divisors (5872404).

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

2489040 is a wasteful number, since it uses less digits than its factorization.

2489040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476 (or 3467 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2489040 is about 1577.6691668408. The cubic root of 2489040 is about 135.5222568433.

The spelling of 2489040 in words is "two million, four hundred eighty-nine thousand, forty".