848431521 has 72 divisors (see below), whose sum is σ = 1498124160. Its totient is φ = 460462464.

The previous prime is 848431517. The next prime is 848431541. The reversal of 848431521 is 125134848.

It is not a de Polignac number, because 848431521 - 2² = 848431517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (848431541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2363140 + ... + 2363498.

It is an arithmetic number, because the mean of its divisors is an integer number (20807280).

Almost surely, 2^848431521 is an apocalyptic number.

It is an amenable number.

848431521 is a deficient number, since it is larger than the sum of its proper divisors (649692639).

848431521 is a wasteful number, since it uses less digits than its factorization.

848431521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 625 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 848431521 is about 29127.8478607672. The cubic root of 848431521 is about 946.6852233986.

The spelling of 848431521 in words is "eight hundred forty-eight million, four hundred thirty-one thousand, five hundred twenty-one".