3261009 has 16 divisors (see below), whose sum is σ = 4580352. Its totient is φ = 2059728.

The previous prime is 3261007. The next prime is 3261023. The reversal of 3261009 is 9001623.

It is not a de Polignac number, because 3261009 - 2¹ = 3261007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3261007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11382 + ... + 11664.

It is an arithmetic number, because the mean of its divisors is an integer number (286272).

Almost surely, 2^3261009 is an apocalyptic number.

It is an amenable number.

3261009 is a deficient number, since it is larger than the sum of its proper divisors (1319343).

3261009 is a wasteful number, since it uses less digits than its factorization.

3261009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 3261009 is about 1805.8264036169. The cubic root of 3261009 is about 148.2918668195.

The spelling of 3261009 in words is "three million, two hundred sixty-one thousand, nine".