854752920 has 128 divisors (see below), whose sum is σ = 2940848640. Its totient is φ = 194688000.

The previous prime is 854752919. The next prime is 854752937. The reversal of 854752920 is 29257458.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261295 + ... + 264545.

It is an arithmetic number, because the mean of its divisors is an integer number (22975380).

Almost surely, 2^854752920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 854752920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1470424320).

854752920 is an abundant number, since it is smaller than the sum of its proper divisors (2086095720).

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

854752920 is a wasteful number, since it uses less digits than its factorization.

854752920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3585 (or 3581 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 854752920 is about 29236.1577502927. The cubic root of 854752920 is about 949.0305604595.

The spelling of 854752920 in words is "eight hundred fifty-four million, seven hundred fifty-two thousand, nine hundred twenty".