8486409 has 8 divisors (see below), whose sum is σ = 11331040. Its totient is φ = 5649696.

The previous prime is 8486399. The next prime is 8486419. The reversal of 8486409 is 9046848.

It is an interprime number because it is at equal distance from previous prime (8486399) and next prime (8486419).

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

It is not a de Polignac number, because 8486409 - 2⁵ = 8486377 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 (8486419) 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, 1302 + ... + 4320.

It is an arithmetic number, because the mean of its divisors is an integer number (1416380).

Almost surely, 2^8486409 is an apocalyptic number.

It is an amenable number.

8486409 is a deficient number, since it is larger than the sum of its proper divisors (2844631).

8486409 is a wasteful number, since it uses less digits than its factorization.

8486409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 8486409 is about 2913.1441776884. The cubic root of 8486409 is about 203.9739249641.

The spelling of 8486409 in words is "eight million, four hundred eighty-six thousand, four hundred nine".