84201028 has 12 divisors (see below), whose sum is σ = 147913920. Its totient is φ = 41939912.

The previous prime is 84201023. The next prime is 84201037. The reversal of 84201028 is 82010248.

It is a junction number, because it is equal to n+sod(n) for n = 84200993 and 84201011.

It is not an unprimeable number, because it can be changed into a prime (84201023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38968 + ... + 41071.

It is an arithmetic number, because the mean of its divisors is an integer number (12326160).

Almost surely, 2^84201028 is an apocalyptic number.

It is an amenable number.

84201028 is a deficient number, since it is larger than the sum of its proper divisors (63712892).

84201028 is a wasteful number, since it uses less digits than its factorization.

84201028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80306 (or 80304 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 84201028 is about 9176.1118127451. Note that the first 3 decimals coincide. The cubic root of 84201028 is about 438.3010031077.

The spelling of 84201028 in words is "eighty-four million, two hundred one thousand, twenty-eight".