85654218 has 32 divisors (see below), whose sum is σ = 185645376. Its totient is φ = 26189568.

The previous prime is 85654213. The next prime is 85654229. The reversal of 85654218 is 81245658.

It is a super-2 number, since 2×85654218² = 14673290122383048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (85654213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9346 + ... + 16082.

It is an arithmetic number, because the mean of its divisors is an integer number (5801418).

Almost surely, 2^85654218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85654218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92822688).

85654218 is an abundant number, since it is smaller than the sum of its proper divisors (99991158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85654218 is a wasteful number, since it uses less digits than its factorization.

85654218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6918.

The product of its digits is 76800, while the sum is 39.

The square root of 85654218 is about 9254.9564018422. The cubic root of 85654218 is about 440.8081188674.

The spelling of 85654218 in words is "eighty-five million, six hundred fifty-four thousand, two hundred eighteen".