3206945 has 16 divisors (see below), whose sum is σ = 4475520. Its totient is φ = 2160384.

The previous prime is 3206941. The next prime is 3206971. The reversal of 3206945 is 5496023.

3206945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3206945 - 2² = 3206941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3206941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1289 + ... + 2841.

It is an arithmetic number, because the mean of its divisors is an integer number (279720).

Almost surely, 2^3206945 is an apocalyptic number.

3206945 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3206945 is a deficient number, since it is larger than the sum of its proper divisors (1268575).

3206945 is a wasteful number, since it uses less digits than its factorization.

3206945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 3206945 is about 1790.7945164088. The cubic root of 3206945 is about 147.4677895767.

The spelling of 3206945 in words is "three million, two hundred six thousand, nine hundred forty-five".