3681379 has 4 divisors (see below), whose sum is σ = 3964576. Its totient is φ = 3398184.

The previous prime is 3681373. The next prime is 3681407. The reversal of 3681379 is 9731863.

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 3681379 - 2³ = 3681371 is a prime.

It is a Duffinian number.

3681379 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3681371) 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, 141579 + ... + 141604.

It is an arithmetic number, because the mean of its divisors is an integer number (991144).

Almost surely, 2^3681379 is an apocalyptic number.

3681379 is a deficient number, since it is larger than the sum of its proper divisors (283197).

3681379 is a wasteful number, since it uses less digits than its factorization.

3681379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283196.

The product of its digits is 27216, while the sum is 37.

The square root of 3681379 is about 1918.6920023808. The cubic root of 3681379 is about 154.4081348010.

The spelling of 3681379 in words is "three million, six hundred eighty-one thousand, three hundred seventy-nine".