8409273 has 4 divisors (see below), whose sum is σ = 11212368. Its totient is φ = 5606180.

The previous prime is 8409263. The next prime is 8409281. The reversal of 8409273 is 3729048.

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 a de Polignac number, because none of the positive numbers 2^k-8409273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8409263) 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, 1401543 + ... + 1401548.

It is an arithmetic number, because the mean of its divisors is an integer number (2803092).

Almost surely, 2^8409273 is an apocalyptic number.

It is an amenable number.

8409273 is a deficient number, since it is larger than the sum of its proper divisors (2803095).

8409273 is a wasteful number, since it uses less digits than its factorization.

8409273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803094.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 8409273 is about 2899.8746524634. The cubic root of 8409273 is about 203.3540457864.

The spelling of 8409273 in words is "eight million, four hundred nine thousand, two hundred seventy-three".