84345366 has 48 divisors (see below), whose sum is σ = 199971504. Its totient is φ = 23639616.

The previous prime is 84345343. The next prime is 84345367. The reversal of 84345366 is 66354348.

It is a super-2 number, since 2×84345366² = 14228281531347912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84345367) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12876 + ... + 18288.

It is an arithmetic number, because the mean of its divisors is an integer number (4166073).

Almost surely, 2^84345366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84345366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99985752).

84345366 is an abundant number, since it is smaller than the sum of its proper divisors (115626138).

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

84345366 is a wasteful number, since it uses less digits than its factorization.

84345366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5485 (or 5478 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 84345366 is about 9183.9733231320. The cubic root of 84345366 is about 438.5513063687.

The spelling of 84345366 in words is "eighty-four million, three hundred forty-five thousand, three hundred sixty-six".