8402065 has 8 divisors (see below), whose sum is σ = 11522880. Its totient is φ = 5761392.

The previous prime is 8402057. The next prime is 8402077. The reversal of 8402065 is 5602048.

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

It is not a de Polignac number, because 8402065 - 2³ = 8402057 is a prime.

It is a super-4 number, since 4×8402065⁴ (a number of 29 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119995 + ... + 120064.

It is an arithmetic number, because the mean of its divisors is an integer number (1440360).

Almost surely, 2^8402065 is an apocalyptic number.

It is an amenable number.

8402065 is a deficient number, since it is larger than the sum of its proper divisors (3120815).

8402065 is a wasteful number, since it uses less digits than its factorization.

8402065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240071.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 8402065 is about 2898.6315736913. The cubic root of 8402065 is about 203.2959276051.

The spelling of 8402065 in words is "eight million, four hundred two thousand, sixty-five".