8664434 has 4 divisors (see below), whose sum is σ = 12996654. Its totient is φ = 4332216.

The previous prime is 8664433. The next prime is 8664451. The reversal of 8664434 is 4344668.

It is a happy number.

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., 7756225 + 908209 = 2785^2 + 953^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8664394 and 8664403.

It is not an unprimeable number, because it can be changed into a prime (8664431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2166107 + ... + 2166110.

Almost surely, 2^8664434 is an apocalyptic number.

8664434 is a deficient number, since it is larger than the sum of its proper divisors (4332220).

8664434 is a wasteful number, since it uses less digits than its factorization.

8664434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4332219.

The product of its digits is 55296, while the sum is 35.

The square root of 8664434 is about 2943.5410647722. The cubic root of 8664434 is about 205.3903646560.

The spelling of 8664434 in words is "eight million, six hundred sixty-four thousand, four hundred thirty-four".