84828481 has 8 divisors (see below), whose sum is σ = 86100840. Its totient is φ = 83563392.

The previous prime is 84828473. The next prime is 84828529. The reversal of 84828481 is 18482848.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 48720400 + 36108081 = 6980^2 + 6009^2 .

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 84828481 - 2³ = 84828473 is a prime.

It is a super-2 number, since 2×84828481² = 14391742377534722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84828281) 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, 24451 + ... + 27703.

It is an arithmetic number, because the mean of its divisors is an integer number (10762605).

Almost surely, 2^84828481 is an apocalyptic number.

It is an amenable number.

84828481 is a deficient number, since it is larger than the sum of its proper divisors (1272359).

84828481 is a wasteful number, since it uses less digits than its factorization.

84828481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3635.

The product of its digits is 131072, while the sum is 43.

The square root of 84828481 is about 9210.2378362342. The cubic root of 84828481 is about 439.3870269609.

The spelling of 84828481 in words is "eighty-four million, eight hundred twenty-eight thousand, four hundred eighty-one".