2009355 has 16 divisors (see below), whose sum is σ = 3250464. Its totient is φ = 1059840.

The previous prime is 2009339. The next prime is 2009377. The reversal of 2009355 is 5539002.

It is not a de Polignac number, because 2009355 - 2⁴ = 2009339 is a prime.

It is an unprimeable number.

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, 765 + ... + 2145.

It is an arithmetic number, because the mean of its divisors is an integer number (203154).

2^2009355 is an apocalyptic number.

2009355 is a deficient number, since it is larger than the sum of its proper divisors (1241109).

2009355 is a wasteful number, since it uses less digits than its factorization.

2009355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 2009355 is about 1417.5171956629. The cubic root of 2009355 is about 126.1882421864.

The spelling of 2009355 in words is "two million, nine thousand, three hundred fifty-five".