2463840 has 144 divisors (see below), whose sum is σ = 8845200. Its totient is φ = 623616.

The previous prime is 2463833. The next prime is 2463841. The reversal of 2463840 is 483642.

2463840 is a `hidden beast` number, since 24 + 638 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2463841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41731 + ... + 41789.

It is an arithmetic number, because the mean of its divisors is an integer number (61425).

2^2463840 is an apocalyptic number.

2463840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2463840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4422600).

2463840 is an abundant number, since it is smaller than the sum of its proper divisors (6381360).

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

2463840 is a wasteful number, since it uses less digits than its factorization.

2463840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2463840 is about 1569.6623840814. The cubic root of 2463840 is about 135.0633447583.

The spelling of 2463840 in words is "two million, four hundred sixty-three thousand, eight hundred forty".