369009 has 16 divisors (see below), whose sum is σ = 556800. Its totient is φ = 241488.

The previous prime is 369007. The next prime is 369013. The reversal of 369009 is 900963.

It is not a de Polignac number, because 369009 - 2¹ = 369007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 369009.

It is not an unprimeable number, because it can be changed into a prime (369007) 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, 2047 + ... + 2219.

It is an arithmetic number, because the mean of its divisors is an integer number (34800).

2³⁶⁹⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

369009 is a deficient number, since it is larger than the sum of its proper divisors (187791).

369009 is a wasteful number, since it uses less digits than its factorization.

369009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 369009 is about 607.4611098663. The cubic root of 369009 is about 71.7263921328.

It can be divided in two parts, 36 and 9009, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 369009 in words is "three hundred sixty-nine thousand, nine".