855525384 has 48 divisors (see below), whose sum is σ = 2648056320. Its totient is φ = 244435680.

The previous prime is 855525379. The next prime is 855525397. The reversal of 855525384 is 483525558.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 848232 + ... + 849239.

It is an arithmetic number, because the mean of its divisors is an integer number (55167840).

Almost surely, 2^855525384 is an apocalyptic number.

855525384 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

855525384 is an abundant number, since it is smaller than the sum of its proper divisors (1792530936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

855525384 is a wasteful number, since it uses less digits than its factorization.

855525384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697490 (or 1697483 counting only the distinct ones).

The product of its digits is 960000, while the sum is 45.

The square root of 855525384 is about 29249.3655315803. The cubic root of 855525384 is about 949.3163628233.

The spelling of 855525384 in words is "eight hundred fifty-five million, five hundred twenty-five thousand, three hundred eighty-four".