3280365 has 48 divisors (see below), whose sum is σ = 6500160. Its totient is φ = 1556640.

The previous prime is 3280363. The next prime is 3280367. The reversal of 3280365 is 5630823.

It is an interprime number because it is at equal distance from previous prime (3280363) and next prime (3280367).

It is not a de Polignac number, because 3280365 - 2¹ = 3280363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3280363) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69772 + ... + 69818.

It is an arithmetic number, because the mean of its divisors is an integer number (135420).

Almost surely, 2^3280365 is an apocalyptic number.

It is an amenable number.

3280365 is a deficient number, since it is larger than the sum of its proper divisors (3219795).

3280365 is a wasteful number, since it uses less digits than its factorization.

3280365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 3280365 is about 1811.1777935918. The cubic root of 3280365 is about 148.5846879456.

The spelling of 3280365 in words is "three million, two hundred eighty thousand, three hundred sixty-five".