8409697 has 4 divisors (see below), whose sum is σ = 8775360. Its totient is φ = 8044036.

The previous prime is 8409691. The next prime is 8409719. The reversal of 8409697 is 7969048.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8409697 - 2³ = 8409689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8409691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182797 + ... + 182842.

It is an arithmetic number, because the mean of its divisors is an integer number (2193840).

Almost surely, 2^8409697 is an apocalyptic number.

It is an amenable number.

8409697 is a deficient number, since it is larger than the sum of its proper divisors (365663).

8409697 is a wasteful number, since it uses less digits than its factorization.

8409697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365662.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 8409697 is about 2899.9477581501. The cubic root of 8409697 is about 203.3574634685.

The spelling of 8409697 in words is "eight million, four hundred nine thousand, six hundred ninety-seven".