8520634 has 4 divisors (see below), whose sum is σ = 12780954. Its totient is φ = 4260316.

The previous prime is 8520623. The next prime is 8520647. The reversal of 8520634 is 4360258.

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., 8497225 + 23409 = 2915^2 + 153^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2130157 + ... + 2130160.

Almost surely, 2^8520634 is an apocalyptic number.

8520634 is a deficient number, since it is larger than the sum of its proper divisors (4260320).

8520634 is a wasteful number, since it uses less digits than its factorization.

8520634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4260319.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 8520634 is about 2919.0125042555. The cubic root of 8520634 is about 204.2477606127.

The spelling of 8520634 in words is "eight million, five hundred twenty thousand, six hundred thirty-four".