3132865 has 8 divisors (see below), whose sum is σ = 3788928. Its totient is φ = 2486640.

The previous prime is 3132859. The next prime is 3132881. The reversal of 3132865 is 5682313.

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

It is not a de Polignac number, because 3132865 - 2⁷ = 3132737 is a prime.

It is a Duffinian number.

3132865 is a lucky number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1737 + ... + 3046.

It is an arithmetic number, because the mean of its divisors is an integer number (473616).

Almost surely, 2^3132865 is an apocalyptic number.

It is an amenable number.

3132865 is a deficient number, since it is larger than the sum of its proper divisors (656063).

3132865 is a wasteful number, since it uses less digits than its factorization.

3132865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4919.

The product of its digits is 4320, while the sum is 28.

The square root of 3132865 is about 1769.9901129667. The cubic root of 3132865 is about 146.3234369541.

It can be divided in two parts, 31 and 32865, that added together give a triangular number (32896 = T₂₅₆).

The spelling of 3132865 in words is "three million, one hundred thirty-two thousand, eight hundred sixty-five".