609104 has 10 divisors (see below), whose sum is σ = 1180170. Its totient is φ = 304544.

The previous prime is 609101. The next prime is 609107. The reversal of 609104 is 401906.

It is an interprime number because it is at equal distance from previous prime (609101) and next prime (609107).

It can be written as a sum of positive squares in only one way, i.e., 547600 + 61504 = 740^2 + 248^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19019 + ... + 19050.

It is an arithmetic number, because the mean of its divisors is an integer number (118017).

2⁶⁰⁹¹⁰⁴ is an apocalyptic number.

It is an amenable number.

609104 is a deficient number, since it is larger than the sum of its proper divisors (571066).

609104 is a wasteful number, since it uses less digits than its factorization.

609104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38077 (or 38071 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 609104 is about 780.4511515784. The cubic root of 609104 is about 84.7677164402.

It can be divided in two parts, 609 and 104, that multiplied together give a palindrome (63336).

The spelling of 609104 in words is "six hundred nine thousand, one hundred four".