3686479 has 2 divisors, whose sum is σ = 3686480. Its totient is φ = 3686478.

The previous prime is 3686477. The next prime is 3686483. The reversal of 3686479 is 9746863.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3686479 - 2¹ = 3686477 is a prime.

Together with 3686477, it forms a pair of twin primes.

3686479 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3686477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1843239 + 1843240.

It is an arithmetic number, because the mean of its divisors is an integer number (1843240).

Almost surely, 2^3686479 is an apocalyptic number.

3686479 is a deficient number, since it is larger than the sum of its proper divisors (1).

3686479 is an equidigital number, since it uses as much as digits as its factorization.

3686479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 3686479 is about 1920.0205728064. The cubic root of 3686479 is about 154.4794050253.

The spelling of 3686479 in words is "three million, six hundred eighty-six thousand, four hundred seventy-nine".