3997316 has 6 divisors (see below), whose sum is σ = 6995310. Its totient is φ = 1998656.

The previous prime is 3997307. The next prime is 3997319. The reversal of 3997316 is 6137993.

It can be written as a sum of positive squares in only one way, i.e., 3625216 + 372100 = 1904^2 + 610^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3997316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3997319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499661 + ... + 499668.

It is an arithmetic number, because the mean of its divisors is an integer number (1165885).

Almost surely, 2^3997316 is an apocalyptic number.

It is an amenable number.

3997316 is a deficient number, since it is larger than the sum of its proper divisors (2997994).

3997316 is a wasteful number, since it uses less digits than its factorization.

3997316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999333 (or 999331 counting only the distinct ones).

The product of its digits is 30618, while the sum is 38.

The square root of 3997316 is about 1999.3288874020. The cubic root of 3997316 is about 158.7045923824.

The spelling of 3997316 in words is "three million, nine hundred ninety-seven thousand, three hundred sixteen".