3781834 has 8 divisors (see below), whose sum is σ = 6483168. Its totient is φ = 1620780.

The previous prime is 3781829. The next prime is 3781849. The reversal of 3781834 is 4381873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3781834.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135052 + ... + 135079.

It is an arithmetic number, because the mean of its divisors is an integer number (810396).

Almost surely, 2^3781834 is an apocalyptic number.

3781834 is a deficient number, since it is larger than the sum of its proper divisors (2701334).

3781834 is a wasteful number, since it uses less digits than its factorization.

3781834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270140.

The product of its digits is 16128, while the sum is 34.

The square root of 3781834 is about 1944.6938062327. The cubic root of 3781834 is about 155.8000121943.

The spelling of 3781834 in words is "three million, seven hundred eighty-one thousand, eight hundred thirty-four".