3986316 has 18 divisors (see below), whose sum is σ = 10076612. Its totient is φ = 1328760.

The previous prime is 3986309. The next prime is 3986329. The reversal of 3986316 is 6136893.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 110731 = 3986316 / (3 + 9 + 8 + 6 + 3 + 1 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55330 + ... + 55401.

Almost surely, 2^3986316 is an apocalyptic number.

3986316 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3986316 is an abundant number, since it is smaller than the sum of its proper divisors (6090296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3986316 is a wasteful number, since it uses less digits than its factorization.

3986316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110741 (or 110736 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 3986316 is about 1996.5760691744. The cubic root of 3986316 is about 158.5588817510.

The spelling of 3986316 in words is "three million, nine hundred eighty-six thousand, three hundred sixteen".