84428250 has 32 divisors (see below), whose sum is σ = 210734784. Its totient is φ = 22514000.

The previous prime is 84428231. The next prime is 84428261. The reversal of 84428250 is 5282448.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55536 + ... + 57035.

It is an arithmetic number, because the mean of its divisors is an integer number (6585462).

Almost surely, 2^84428250 is an apocalyptic number.

84428250 is an abundant number, since it is smaller than the sum of its proper divisors (126306534).

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

84428250 is a wasteful number, since it uses less digits than its factorization.

84428250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112591 (or 112581 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 84428250 is about 9188.4846411147. The cubic root of 84428250 is about 438.6949103323.

The spelling of 84428250 in words is "eighty-four million, four hundred twenty-eight thousand, two hundred fifty".