2405766 has 16 divisors (see below), whose sum is σ = 5249088. Its totient is φ = 729000.

The previous prime is 2405749. The next prime is 2405773. The reversal of 2405766 is 6675042.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18160 + ... + 18291.

It is an arithmetic number, because the mean of its divisors is an integer number (328068).

2^2405766 is an apocalyptic number.

2405766 is an abundant number, since it is smaller than the sum of its proper divisors (2843322).

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

2405766 is a wasteful number, since it uses less digits than its factorization.

2405766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36467.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 2405766 is about 1551.0531905773. The cubic root of 2405766 is about 133.9937251090.

It can be divided in two parts, 240 and 5766, that added together give a palindrome (6006).

The spelling of 2405766 in words is "two million, four hundred five thousand, seven hundred sixty-six".