3781419 has 4 divisors (see below), whose sum is σ = 5041896. Its totient is φ = 2520944.

The previous prime is 3781403. The next prime is 3781423. The reversal of 3781419 is 9141873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3781419 - 2⁴ = 3781403 is a prime.

It is a super-2 number, since 2×3781419² = 28598259307122, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 3781419.

It is not an unprimeable number, because it can be changed into a prime (3781489) by changing a digit.

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, 630234 + ... + 630239.

It is an arithmetic number, because the mean of its divisors is an integer number (1260474).

Almost surely, 2^3781419 is an apocalyptic number.

3781419 is a deficient number, since it is larger than the sum of its proper divisors (1260477).

3781419 is a wasteful number, since it uses less digits than its factorization.

3781419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260476.

The product of its digits is 6048, while the sum is 33.

The square root of 3781419 is about 1944.5871027033. The cubic root of 3781419 is about 155.7943130749.

The spelling of 3781419 in words is "three million, seven hundred eighty-one thousand, four hundred nineteen".