8406065 has 8 divisors (see below), whose sum is σ = 10277928. Its totient is φ = 6597760.

The previous prime is 8406061. The next prime is 8406071. The reversal of 8406065 is 5606048.

It can be written as a sum of positive squares in 4 ways, for example, as 134689 + 8271376 = 367^2 + 2876^2 .

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

It is not a de Polignac number, because 8406065 - 2² = 8406061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8406061) 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, 15596 + ... + 16125.

It is an arithmetic number, because the mean of its divisors is an integer number (1284741).

Almost surely, 2^8406065 is an apocalyptic number.

It is an amenable number.

8406065 is a deficient number, since it is larger than the sum of its proper divisors (1871863).

8406065 is a wasteful number, since it uses less digits than its factorization.

8406065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31779.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 8406065 is about 2899.3214723449. The cubic root of 8406065 is about 203.3281837509.

The spelling of 8406065 in words is "eight million, four hundred six thousand, sixty-five".