3666379 has 4 divisors (see below), whose sum is σ = 3678480. Its totient is φ = 3654280.

The previous prime is 3666371. The next prime is 3666409. The reversal of 3666379 is 9736663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9736663 = 29 ⋅335747.

It is a cyclic number.

It is not a de Polignac number, because 3666379 - 2³ = 3666371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3666371) 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, 5584 + ... + 6205.

It is an arithmetic number, because the mean of its divisors is an integer number (919620).

Almost surely, 2^3666379 is an apocalyptic number.

3666379 is a deficient number, since it is larger than the sum of its proper divisors (12101).

3666379 is a wasteful number, since it uses less digits than its factorization.

3666379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12100.

The product of its digits is 122472, while the sum is 40.

The square root of 3666379 is about 1914.7790995308. The cubic root of 3666379 is about 154.1981342470.

The spelling of 3666379 in words is "three million, six hundred sixty-six thousand, three hundred seventy-nine".