3781862 has 8 divisors (see below), whose sum is σ = 6483216. Its totient is φ = 1620792.

The previous prime is 3781859. The next prime is 3781873. The reversal of 3781862 is 2681873.

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

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 135053 + ... + 135080.

It is an arithmetic number, because the mean of its divisors is an integer number (810402).

Almost surely, 2^3781862 is an apocalyptic number.

3781862 is a deficient number, since it is larger than the sum of its proper divisors (2701354).

3781862 is a wasteful number, since it uses less digits than its factorization.

3781862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270142.

The product of its digits is 16128, while the sum is 35.

The square root of 3781862 is about 1944.7010052962. The cubic root of 3781862 is about 155.8003966982.

The spelling of 3781862 in words is "three million, seven hundred eighty-one thousand, eight hundred sixty-two".