2405594 has 8 divisors (see below), whose sum is σ = 3618228. Its totient is φ = 1199520.

The previous prime is 2405591. The next prime is 2405621. The reversal of 2405594 is 4955042.

It is a happy number.

2405594 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 2235025 + 170569 = 1495^2 + 413^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2405591) 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, 587 + ... + 2270.

2^2405594 is an apocalyptic number.

2405594 is a deficient number, since it is larger than the sum of its proper divisors (1212634).

2405594 is a wasteful number, since it uses less digits than its factorization.

2405594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2405594 is about 1550.9977433897. The cubic root of 2405594 is about 133.9905317436.

The spelling of 2405594 in words is "two million, four hundred five thousand, five hundred ninety-four".