3784039 has 4 divisors (see below), whose sum is σ = 4324624. Its totient is φ = 3243456.

The previous prime is 3784037. The next prime is 3784051. The reversal of 3784039 is 9304873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9304873 = 727 ⋅12799.

It is a cyclic number.

It is not a de Polignac number, because 3784039 - 2¹ = 3784037 is a prime.

It is a Duffinian number.

3784039 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3783995 and 3784013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3784037) 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, 270282 + ... + 270295.

It is an arithmetic number, because the mean of its divisors is an integer number (1081156).

Almost surely, 2^3784039 is an apocalyptic number.

3784039 is a deficient number, since it is larger than the sum of its proper divisors (540585).

3784039 is an equidigital number, since it uses as much as digits as its factorization.

3784039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540584.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 3784039 is about 1945.2606509154. The cubic root of 3784039 is about 155.8302860669.

The spelling of 3784039 in words is "three million, seven hundred eighty-four thousand, thirty-nine".