8539470 has 48 divisors (see below), whose sum is σ = 22351680. Its totient is φ = 2261952.

The previous prime is 8539441. The next prime is 8539471. The reversal of 8539470 is 749358.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8539471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21312 + ... + 21708.

It is an arithmetic number, because the mean of its divisors is an integer number (465660).

Almost surely, 2^8539470 is an apocalyptic number.

8539470 is an abundant number, since it is smaller than the sum of its proper divisors (13812210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8539470 is a wasteful number, since it uses less digits than its factorization.

8539470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 8539470 is about 2922.2371567003. The cubic root of 8539470 is about 204.3981555000.

It can be divided in two parts, 8539 and 470, that added together give a palindrome (9009).

The spelling of 8539470 in words is "eight million, five hundred thirty-nine thousand, four hundred seventy".