2489340 has 48 divisors (see below), whose sum is σ = 7967232. Its totient is φ = 568896.

The previous prime is 2489339. The next prime is 2489341. The reversal of 2489340 is 439842.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2489339) and next prime (2489341).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2489298 and 2489307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489341) 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, 2544 + ... + 3383.

It is an arithmetic number, because the mean of its divisors is an integer number (165984).

2^2489340 is an apocalyptic number.

2489340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2489340 is an abundant number, since it is smaller than the sum of its proper divisors (5477892).

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

2489340 is a wasteful number, since it uses less digits than its factorization.

2489340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5946 (or 5944 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2489340 is about 1577.7642409435. The cubic root of 2489340 is about 135.5277013847.

The spelling of 2489340 in words is "two million, four hundred eighty-nine thousand, three hundred forty".