84065601 has 8 divisors (see below), whose sum is σ = 112129920. Its totient is φ = 56022512.

The previous prime is 84065593. The next prime is 84065609. The reversal of 84065601 is 10656048.

It is an interprime number because it is at equal distance from previous prime (84065593) and next prime (84065609).

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 84065601 - 2³ = 84065593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84065609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11995 + ... + 17663.

It is an arithmetic number, because the mean of its divisors is an integer number (14016240).

Almost surely, 2^84065601 is an apocalyptic number.

It is an amenable number.

84065601 is a deficient number, since it is larger than the sum of its proper divisors (28064319).

84065601 is a wasteful number, since it uses less digits than its factorization.

84065601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10615.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 84065601 is about 9168.7295194045. The cubic root of 84065601 is about 438.0658925908.

It can be divided in two parts, 84065 and 601, that added together give a triangular number (84666 = T₄₁₁).

The spelling of 84065601 in words is "eighty-four million, sixty-five thousand, six hundred one".