84245211 has 16 divisors (see below), whose sum is σ = 126047520. Its totient is φ = 55605600.

The previous prime is 84245191. The next prime is 84245219. The reversal of 84245211 is 11254248.

It is not a de Polignac number, because 84245211 - 2¹⁰ = 84244187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (84245219) 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, 12720 + ... + 18173.

It is an arithmetic number, because the mean of its divisors is an integer number (7877970).

Almost surely, 2^84245211 is an apocalyptic number.

84245211 is a deficient number, since it is larger than the sum of its proper divisors (41802309).

84245211 is a wasteful number, since it uses less digits than its factorization.

84245211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31003 (or 30997 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 84245211 is about 9178.5189981827. The cubic root of 84245211 is about 438.3776532684.

Adding to 84245211 its reverse (11254248), we get a palindrome (95499459).

The spelling of 84245211 in words is "eighty-four million, two hundred forty-five thousand, two hundred eleven".