3681479 has 4 divisors (see below), whose sum is σ = 3728160. Its totient is φ = 3634800.

The previous prime is 3681451. The next prime is 3681481. The reversal of 3681479 is 9741863.

3681479 = T₁₃₂ + T₁₃₃ + ... + T₂₈₉.

3681479 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 a cyclic number.

It is not a de Polignac number, because 3681479 - 2¹² = 3677383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681499) 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, 23222 + ... + 23379.

It is an arithmetic number, because the mean of its divisors is an integer number (932040).

Almost surely, 2^3681479 is an apocalyptic number.

3681479 is a deficient number, since it is larger than the sum of its proper divisors (46681).

3681479 is an equidigital number, since it uses as much as digits as its factorization.

3681479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46680.

The product of its digits is 36288, while the sum is 38.

The square root of 3681479 is about 1918.7180616234. The cubic root of 3681479 is about 154.4095328888.

The spelling of 3681479 in words is "three million, six hundred eighty-one thousand, four hundred seventy-nine".