3820265 has 4 divisors (see below), whose sum is σ = 4584324. Its totient is φ = 3056208.

The previous prime is 3820259. The next prime is 3820279. The reversal of 3820265 is 5620283.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2399401 + 1420864 = 1549^2 + 1192^2 .

It is a cyclic number.

It is not a de Polignac number, because 3820265 - 2⁸ = 3820009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382022 + ... + 382031.

It is an arithmetic number, because the mean of its divisors is an integer number (1146081).

Almost surely, 2^3820265 is an apocalyptic number.

It is an amenable number.

3820265 is a deficient number, since it is larger than the sum of its proper divisors (764059).

3820265 is an equidigital number, since it uses as much as digits as its factorization.

3820265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764058.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 3820265 is about 1954.5498202911. The cubic root of 3820265 is about 156.3259811793.

The spelling of 3820265 in words is "three million, eight hundred twenty thousand, two hundred sixty-five".