3784265 has 4 divisors (see below), whose sum is σ = 4541124. Its totient is φ = 3027408.

The previous prime is 3784241. The next prime is 3784267. The reversal of 3784265 is 5624873.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5624873 = 43 ⋅130811.

It can be written as a sum of positive squares in 2 ways, for example, as 1860496 + 1923769 = 1364^2 + 1387^2 .

It is a cyclic number.

It is not a de Polignac number, because 3784265 - 2⁸ = 3784009 is a prime.

It is a d-powerful number, because it can be written as 3⁴ + 7⁶ + 8⁵ + 4⁵ + 2 + 6⁸ + 5⁹ .

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3784267) 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, 378422 + ... + 378431.

It is an arithmetic number, because the mean of its divisors is an integer number (1135281).

Almost surely, 2^3784265 is an apocalyptic number.

It is an amenable number.

3784265 is a deficient number, since it is larger than the sum of its proper divisors (756859).

3784265 is an equidigital number, since it uses as much as digits as its factorization.

3784265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756858.

The product of its digits is 40320, while the sum is 35.

The square root of 3784265 is about 1945.3187399498. The cubic root of 3784265 is about 155.8333883026.

The spelling of 3784265 in words is "three million, seven hundred eighty-four thousand, two hundred sixty-five".