3679 has 4 divisors (see below), whose sum is σ = 3976. Its totient is φ = 3384.

The previous prime is 3677. The next prime is 3691. The reversal of 3679 is 9763.

3679 = T₁₇ + T₁₈ + ... + T₂₉.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9763 = 13 ⋅751.

It is a cyclic number.

It is not a de Polignac number, because 3679 - 2¹ = 3677 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129 + ... + 154.

It is an arithmetic number, because the mean of its divisors is an integer number (994).

3679 is a deficient number, since it is larger than the sum of its proper divisors (297).

3679 is a wasteful number, since it uses less digits than its factorization.

3679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296.

The product of its digits is 1134, while the sum is 25.

The square root of 3679 is about 60.6547607365. The cubic root of 3679 is about 15.4374866823.

Subtracting 3679 from its reverse (9763), we obtain a square (6084 = 78²).

The spelling of 3679 in words is "three thousand, six hundred seventy-nine".