3784939 has 4 divisors (see below), whose sum is σ = 3838320. Its totient is φ = 3731560.

The previous prime is 3784927. The next prime is 3784943. The reversal of 3784939 is 9394873.

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 3784939 - 2⁹ = 3784427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3784895 and 3784904.

It is not an unprimeable number, because it can be changed into a prime (3784919) 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, 26584 + ... + 26725.

It is an arithmetic number, because the mean of its divisors is an integer number (959580).

Almost surely, 2^3784939 is an apocalyptic number.

3784939 is a deficient number, since it is larger than the sum of its proper divisors (53381).

3784939 is an equidigital number, since it uses as much as digits as its factorization.

3784939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53380.

The product of its digits is 163296, while the sum is 43.

The square root of 3784939 is about 1945.4919686290. The cubic root of 3784939 is about 155.8426393698.

The spelling of 3784939 in words is "three million, seven hundred eighty-four thousand, nine hundred thirty-nine".