8452909 has 4 divisors (see below), whose sum is σ = 8681404. Its totient is φ = 8224416.

The previous prime is 8452907. The next prime is 8452931. The reversal of 8452909 is 9092548.

8452909 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 4937284 + 3515625 = 2222^2 + 1875^2 .

It is a cyclic number.

It is not a de Polignac number, because 8452909 - 2¹ = 8452907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 228457 = 8452909 / (8 + 4 + 5 + 2 + 9 + 0 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8452907) 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, 114192 + ... + 114265.

It is an arithmetic number, because the mean of its divisors is an integer number (2170351).

Almost surely, 2^8452909 is an apocalyptic number.

It is an amenable number.

8452909 is a deficient number, since it is larger than the sum of its proper divisors (228495).

8452909 is a wasteful number, since it uses less digits than its factorization.

8452909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228494.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 8452909 is about 2907.3886909046. The cubic root of 8452909 is about 203.7051761334.

The spelling of 8452909 in words is "eight million, four hundred fifty-two thousand, nine hundred nine".