3205765 has 8 divisors (see below), whose sum is σ = 3912480. Its totient is φ = 2520912.

The previous prime is 3205759. The next prime is 3205777. The reversal of 3205765 is 5675023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3205765 - 2⁷ = 3205637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5139 + ... + 5728.

It is an arithmetic number, because the mean of its divisors is an integer number (489060).

Almost surely, 2^3205765 is an apocalyptic number.

It is an amenable number.

3205765 is a deficient number, since it is larger than the sum of its proper divisors (706715).

3205765 is a wasteful number, since it uses less digits than its factorization.

3205765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10931.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 3205765 is about 1790.4650233948. The cubic root of 3205765 is about 147.4497003632.

The spelling of 3205765 in words is "three million, two hundred five thousand, seven hundred sixty-five".