3981336 has 32 divisors (see below), whose sum is σ = 10478400. Its totient is φ = 1257120.

The previous prime is 3981331. The next prime is 3981343. The reversal of 3981336 is 6331893.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 3981297 and 3981306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3981331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3910 + ... + 4821.

It is an arithmetic number, because the mean of its divisors is an integer number (327450).

Almost surely, 2^3981336 is an apocalyptic number.

It is an amenable number.

3981336 is an abundant number, since it is smaller than the sum of its proper divisors (6497064).

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

3981336 is a wasteful number, since it uses less digits than its factorization.

3981336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8759 (or 8755 counting only the distinct ones).

The product of its digits is 11664, while the sum is 33.

The square root of 3981336 is about 1995.3285443756. The cubic root of 3981336 is about 158.4928264192.

The spelling of 3981336 in words is "three million, nine hundred eighty-one thousand, three hundred thirty-six".