2454840 has 64 divisors (see below), whose sum is σ = 8186400. Its totient is φ = 654336.

The previous prime is 2454833. The next prime is 2454841. The reversal of 2454840 is 484542.

2454840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2454841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57 + ... + 2216.

2^2454840 is an apocalyptic number.

2454840 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 2454840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4093200).

2454840 is an abundant number, since it is smaller than the sum of its proper divisors (5731560).

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

2454840 is a wasteful number, since it uses less digits than its factorization.

2454840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293 (or 2283 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 2454840 is about 1566.7929027156. The cubic root of 2454840 is about 134.8986894227.

The spelling of 2454840 in words is "two million, four hundred fifty-four thousand, eight hundred forty".