3784869 has 12 divisors (see below), whose sum is σ = 5964192. Its totient is φ = 2293800.

The previous prime is 3784861. The next prime is 3784873. The reversal of 3784869 is 9684873.

It is a happy number.

It is not a de Polignac number, because 3784869 - 2³ = 3784861 is a prime.

It is a super-2 number, since 2×3784869² = 28650466694322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3784861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19017 + ... + 19214.

It is an arithmetic number, because the mean of its divisors is an integer number (497016).

Almost surely, 2^3784869 is an apocalyptic number.

It is an amenable number.

3784869 is a deficient number, since it is larger than the sum of its proper divisors (2179323).

3784869 is a wasteful number, since it uses less digits than its factorization.

3784869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38248 (or 38245 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 3784869 is about 1945.4739782377. The cubic root of 3784869 is about 155.8416786276.

The spelling of 3784869 in words is "three million, seven hundred eighty-four thousand, eight hundred sixty-nine".