84839025 has 24 divisors (see below), whose sum is σ = 140883840. Its totient is φ = 45048640.

The previous prime is 84839011. The next prime is 84839077. The reversal of 84839025 is 52093848.

It is a happy number.

It is not a de Polignac number, because 84839025 - 2¹⁴ = 84822641 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15559 + ... + 20291.

It is an arithmetic number, because the mean of its divisors is an integer number (5870160).

Almost surely, 2^84839025 is an apocalyptic number.

It is an amenable number.

84839025 is a deficient number, since it is larger than the sum of its proper divisors (56044815).

84839025 is a wasteful number, since it uses less digits than its factorization.

84839025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4985 (or 4980 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 84839025 is about 9210.8102249476. The cubic root of 84839025 is about 439.4052311647.

The spelling of 84839025 in words is "eighty-four million, eight hundred thirty-nine thousand, twenty-five".