3986379 has 12 divisors (see below), whose sum is σ = 5775432. Its totient is φ = 2649600.

The previous prime is 3986377. The next prime is 3986393. The reversal of 3986379 is 9736893.

It is a happy number.

3986379 is a `hidden beast` number, since 3 + 9 + 8 + 637 + 9 = 666.

It is not a de Polignac number, because 3986379 - 2¹ = 3986377 is a prime.

3986379 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3986377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5424 + ... + 6114.

It is an arithmetic number, because the mean of its divisors is an integer number (481286).

Almost surely, 2^3986379 is an apocalyptic number.

3986379 is a deficient number, since it is larger than the sum of its proper divisors (1789053).

3986379 is a wasteful number, since it uses less digits than its factorization.

3986379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338 (or 1335 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 3986379 is about 1996.5918461218. The cubic root of 3986379 is about 158.5597170383.

The spelling of 3986379 in words is "three million, nine hundred eighty-six thousand, three hundred seventy-nine".