3781316 has 24 divisors (see below), whose sum is σ = 8250816. Its totient is φ = 1473120.

The previous prime is 3781313. The next prime is 3781367. The reversal of 3781316 is 6131873.

3781316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3781313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5831 + ... + 6446.

It is an arithmetic number, because the mean of its divisors is an integer number (343784).

Almost surely, 2^3781316 is an apocalyptic number.

It is an amenable number.

3781316 is an abundant number, since it is smaller than the sum of its proper divisors (4469500).

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

3781316 is a wasteful number, since it uses less digits than its factorization.

3781316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12299 (or 12297 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 3781316 is about 1944.5606187517. The cubic root of 3781316 is about 155.7928985301.

The spelling of 3781316 in words is "three million, seven hundred eighty-one thousand, three hundred sixteen".