84425100 has 72 divisors (see below), whose sum is σ = 245275968. Its totient is φ = 22420800.

The previous prime is 84425071. The next prime is 84425123. The reversal of 84425100 is 152448.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103695 + ... + 104505.

Almost surely, 2^84425100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84425100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122637984).

84425100 is an abundant number, since it is smaller than the sum of its proper divisors (160850868).

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

84425100 is a wasteful number, since it uses less digits than its factorization.

84425100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175 (or 1168 counting only the distinct ones).

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

The square root of 84425100 is about 9188.3132293147. The cubic root of 84425100 is about 438.6894543932.

Adding to 84425100 its reverse (152448), we get a palindrome (84577548).

The spelling of 84425100 in words is "eighty-four million, four hundred twenty-five thousand, one hundred".