8734609 has 4 divisors (see below), whose sum is σ = 9406516. Its totient is φ = 8062704.

The previous prime is 8734603. The next prime is 8734613. The reversal of 8734609 is 9064378.

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 1050625 + 7683984 = 1025^2 + 2772^2 .

It is not a de Polignac number, because 8734609 - 2⁵ = 8734577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8734603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335934 + ... + 335959.

It is an arithmetic number, because the mean of its divisors is an integer number (2351629).

Almost surely, 2^8734609 is an apocalyptic number.

It is an amenable number.

8734609 is a deficient number, since it is larger than the sum of its proper divisors (671907).

8734609 is a wasteful number, since it uses less digits than its factorization.

8734609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671906.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 8734609 is about 2955.4371927009. The cubic root of 8734609 is about 205.9433736964.

The spelling of 8734609 in words is "eight million, seven hundred thirty-four thousand, six hundred nine".