2405860 has 12 divisors (see below), whose sum is σ = 5052348. Its totient is φ = 962336.

The previous prime is 2405833. The next prime is 2405863. The reversal of 2405860 is 685042.

2405860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1401856 + 1004004 = 1184^2 + 1002^2 .

It is not an unprimeable number, because it can be changed into a prime (2405863) 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 3 ways as a sum of consecutive naturals, for example, 60127 + ... + 60166.

It is an arithmetic number, because the mean of its divisors is an integer number (421029).

2^2405860 is an apocalyptic number.

2405860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2405860 is an abundant number, since it is smaller than the sum of its proper divisors (2646488).

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

2405860 is a wasteful number, since it uses less digits than its factorization.

2405860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120302 (or 120300 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2405860 is about 1551.0834922724. The cubic root of 2405860 is about 133.9954702560.

The spelling of 2405860 in words is "two million, four hundred five thousand, eight hundred sixty".