8373409 has 8 divisors (see below), whose sum is σ = 9285120. Its totient is φ = 7486800.

The previous prime is 8373397. The next prime is 8373461. The reversal of 8373409 is 9043738.

8373409 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8373409 - 2⁵ = 8373377 is a prime.

It is a super-2 number, since 2×8373409² = 140227956562562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8373479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5569 + ... + 6910.

It is an arithmetic number, because the mean of its divisors is an integer number (1160640).

Almost surely, 2^8373409 is an apocalyptic number.

It is an amenable number.

8373409 is a deficient number, since it is larger than the sum of its proper divisors (911711).

8373409 is a wasteful number, since it uses less digits than its factorization.

8373409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12551.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 8373409 is about 2893.6843297084. The cubic root of 8373409 is about 203.0645446596.

The spelling of 8373409 in words is "eight million, three hundred seventy-three thousand, four hundred nine".