84106555 has 8 divisors (see below), whose sum is σ = 108691632. Its totient is φ = 62109408.

The previous prime is 84106553. The next prime is 84106567. The reversal of 84106555 is 55560148.

It is a happy number.

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 84106555 - 2¹ = 84106553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84106555.

It is not an unprimeable number, because it can be changed into a prime (84106553) 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, 646909 + ... + 647038.

It is an arithmetic number, because the mean of its divisors is an integer number (13586454).

Almost surely, 2^84106555 is an apocalyptic number.

84106555 is a deficient number, since it is larger than the sum of its proper divisors (24585077).

84106555 is a wasteful number, since it uses less digits than its factorization.

84106555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293965.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 84106555 is about 9170.9625994222. The cubic root of 84106555 is about 438.1370181474.

The spelling of 84106555 in words is "eighty-four million, one hundred six thousand, five hundred fifty-five".