84299825 has 6 divisors (see below), whose sum is σ = 104531814. Its totient is φ = 67439840.

The previous prime is 84299797. The next prime is 84299893. The reversal of 84299825 is 52899248.

It can be written as a sum of positive squares in 3 ways, for example, as 2505889 + 81793936 = 1583^2 + 9044^2 .

It is not a de Polignac number, because 84299825 - 2¹⁶ = 84234289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84299825.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1685972 + ... + 1686021.

It is an arithmetic number, because the mean of its divisors is an integer number (17421969).

Almost surely, 2^84299825 is an apocalyptic number.

It is an amenable number.

84299825 is a deficient number, since it is larger than the sum of its proper divisors (20231989).

84299825 is a wasteful number, since it uses less digits than its factorization.

84299825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3372003 (or 3371998 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The square root of 84299825 is about 9181.4936148755. The cubic root of 84299825 is about 438.4723624519.

The spelling of 84299825 in words is "eighty-four million, two hundred ninety-nine thousand, eight hundred twenty-five".