3781416 has 16 divisors (see below), whose sum is σ = 9453600. Its totient is φ = 1260464.

The previous prime is 3781403. The next prime is 3781423. The reversal of 3781416 is 6141873.

It is a happy number.

3781416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 78756 + ... + 78803.

It is an arithmetic number, because the mean of its divisors is an integer number (590850).

Almost surely, 2^3781416 is an apocalyptic number.

It is an amenable number.

3781416 is an abundant number, since it is smaller than the sum of its proper divisors (5672184).

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

3781416 is a wasteful number, since it uses less digits than its factorization.

3781416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157568 (or 157564 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 3781416 is about 1944.5863313312. The cubic root of 3781416 is about 155.7942718750.

The spelling of 3781416 in words is "three million, seven hundred eighty-one thousand, four hundred sixteen".