84889305 has 24 divisors (see below), whose sum is σ = 149921928. Its totient is φ = 44418816.

The previous prime is 84889271. The next prime is 84889307. The reversal of 84889305 is 50398848.

It can be written as a sum of positive squares in 4 ways, for example, as 2152089 + 82737216 = 1467^2 + 9096^2 .

It is not a de Polignac number, because 84889305 - 2⁶ = 84889241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84889307) 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, 15412 + ... + 20181.

It is an arithmetic number, because the mean of its divisors is an integer number (6246747).

Almost surely, 2^84889305 is an apocalyptic number.

It is an amenable number.

84889305 is a deficient number, since it is larger than the sum of its proper divisors (65032623).

84889305 is a wasteful number, since it uses less digits than its factorization.

84889305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35657 (or 35654 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 84889305 is about 9213.5392222533. The cubic root of 84889305 is about 439.4920187875.

The spelling of 84889305 in words is "eighty-four million, eight hundred eighty-nine thousand, three hundred five".