2406686 has 4 divisors (see below), whose sum is σ = 3610032. Its totient is φ = 1203342.

The previous prime is 2406683. The next prime is 2406689. The reversal of 2406686 is 6866042.

It is a happy number.

2406686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2406683) and next prime (2406689).

It is a d-powerful number, because it can be written as 2²¹ + 4⁹ + 0 + 6 + 6³ + 8³ + 6⁶ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2406683) 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 as a sum of consecutive naturals, namely, 601670 + ... + 601673.

It is an arithmetic number, because the mean of its divisors is an integer number (902508).

2^2406686 is an apocalyptic number.

2406686 is a deficient number, since it is larger than the sum of its proper divisors (1203346).

2406686 is a wasteful number, since it uses less digits than its factorization.

2406686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203345.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 2406686 is about 1551.3497349083. The cubic root of 2406686 is about 134.0108033170.

The spelling of 2406686 in words is "two million, four hundred six thousand, six hundred eighty-six".