2009594 has 4 divisors (see below), whose sum is σ = 3014394. Its totient is φ = 1004796.

The previous prime is 2009593. The next prime is 2009603. The reversal of 2009594 is 4959002.

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

It can be written as a sum of positive squares in only one way, i.e., 1408969 + 600625 = 1187^2 + 775^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2009593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502397 + ... + 502400.

2^2009594 is an apocalyptic number.

2009594 is a deficient number, since it is larger than the sum of its proper divisors (1004800).

2009594 is a wasteful number, since it uses less digits than its factorization.

2009594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004799.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 2009594 is about 1417.6014954845. The cubic root of 2009594 is about 126.1932450844.

The spelling of 2009594 in words is "two million, nine thousand, five hundred ninety-four".