8408465 has 8 divisors (see below), whose sum is σ = 10866408. Its totient is φ = 6209280.

The previous prime is 8408461. The next prime is 8408513. The reversal of 8408465 is 5648048.

It can be written as a sum of positive squares in 4 ways, for example, as 410881 + 7997584 = 641^2 + 2828^2 .

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

It is not a de Polignac number, because 8408465 - 2² = 8408461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8408461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64616 + ... + 64745.

It is an arithmetic number, because the mean of its divisors is an integer number (1358301).

Almost surely, 2^8408465 is an apocalyptic number.

It is an amenable number.

8408465 is a deficient number, since it is larger than the sum of its proper divisors (2457943).

8408465 is a wasteful number, since it uses less digits than its factorization.

8408465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129379.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 8408465 is about 2899.7353327502. The cubic root of 8408465 is about 203.3475325269.

The spelling of 8408465 in words is "eight million, four hundred eight thousand, four hundred sixty-five".