84245100 has 36 divisors (see below), whose sum is σ = 243750024. Its totient is φ = 22465280.

The previous prime is 84245093. The next prime is 84245129. The reversal of 84245100 is 154248.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140109 + ... + 140708.

It is an arithmetic number, because the mean of its divisors is an integer number (6770834).

Almost surely, 2^84245100 is an apocalyptic number.

It is an amenable number.

84245100 is an abundant number, since it is smaller than the sum of its proper divisors (159504924).

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

84245100 is a wasteful number, since it uses less digits than its factorization.

84245100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280834 (or 280827 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 84245100 is about 9178.5129514535. The cubic root of 84245100 is about 438.3774607354.

Adding to 84245100 its reverse (154248), we get a palindrome (84399348).

The spelling of 84245100 in words is "eighty-four million, two hundred forty-five thousand, one hundred".