84219625 has 32 divisors (see below), whose sum is σ = 124300800. Its totient is φ = 55742400.

The previous prime is 84219623. The next prime is 84219631. The reversal of 84219625 is 52691248.

It is not a de Polignac number, because 84219625 - 2¹ = 84219623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84219623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23716 + ... + 27034.

It is an arithmetic number, because the mean of its divisors is an integer number (3884400).

Almost surely, 2^84219625 is an apocalyptic number.

It is an amenable number.

84219625 is a deficient number, since it is larger than the sum of its proper divisors (40081175).

84219625 is a wasteful number, since it uses less digits than its factorization.

84219625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370 (or 3360 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 84219625 is about 9177.1250944945. The cubic root of 84219625 is about 438.3332690785. Note that the first 3 decimals are identical.

The spelling of 84219625 in words is "eighty-four million, two hundred nineteen thousand, six hundred twenty-five".