84620925 has 36 divisors (see below), whose sum is σ = 155279124. Its totient is φ = 44025600.

The previous prime is 84620909. The next prime is 84620953. The reversal of 84620925 is 52902648.

It is a happy number.

84620925 is a `hidden beast` number, since 8 + 4 + 620 + 9 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 38081241 + 46539684 = 6171^2 + 6822^2 .

It is not a de Polignac number, because 84620925 - 2⁴ = 84620909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84620925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4639 + ... + 13811.

It is an arithmetic number, because the mean of its divisors is an integer number (4313309).

Almost surely, 2^84620925 is an apocalyptic number.

It is an amenable number.

84620925 is a deficient number, since it is larger than the sum of its proper divisors (70658199).

84620925 is a wasteful number, since it uses less digits than its factorization.

84620925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9230 (or 9222 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 84620925 is about 9198.9632568024. The cubic root of 84620925 is about 439.0283742468.

The spelling of 84620925 in words is "eighty-four million, six hundred twenty thousand, nine hundred twenty-five".