3784161 has 4 divisors (see below), whose sum is σ = 5045552. Its totient is φ = 2522772.

The previous prime is 3784159. The next prime is 3784163. The reversal of 3784161 is 1614873.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3784159) and next prime (3784163).

It is not a de Polignac number, because 3784161 - 2¹ = 3784159 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3784163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630691 + ... + 630696.

It is an arithmetic number, because the mean of its divisors is an integer number (1261388).

Almost surely, 2^3784161 is an apocalyptic number.

It is an amenable number.

3784161 is a deficient number, since it is larger than the sum of its proper divisors (1261391).

3784161 is a wasteful number, since it uses less digits than its factorization.

3784161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261390.

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

The square root of 3784161 is about 1945.2920089282. The cubic root of 3784161 is about 155.8319607404.

The spelling of 3784161 in words is "three million, seven hundred eighty-four thousand, one hundred sixty-one".