364009 has 4 divisors (see below), whose sum is σ = 366804. Its totient is φ = 361216.

The previous prime is 363989. The next prime is 364027. The reversal of 364009 is 900463.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 225625 + 138384 = 475^2 + 372^2 .

It is a cyclic number.

It is not a de Polignac number, because 364009 - 2⁵ = 363977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (364069) 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 3 ways as a sum of consecutive naturals, for example, 1192 + ... + 1465.

It is an arithmetic number, because the mean of its divisors is an integer number (91701).

2³⁶⁴⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

364009 is a deficient number, since it is larger than the sum of its proper divisors (2795).

364009 is a wasteful number, since it uses less digits than its factorization.

364009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 364009 is about 603.3315837912. The cubic root of 364009 is about 71.4009582790.

The spelling of 364009 in words is "three hundred sixty-four thousand, nine".