854661472 has 24 divisors (see below), whose sum is σ = 1922988816. Its totient is φ = 366283392.

The previous prime is 854661449. The next prime is 854661487. The reversal of 854661472 is 274166458.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1907503 + ... + 1907950.

It is an arithmetic number, because the mean of its divisors is an integer number (80124534).

Almost surely, 2^854661472 is an apocalyptic number.

It is an amenable number.

854661472 is an abundant number, since it is smaller than the sum of its proper divisors (1068327344).

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

854661472 is a wasteful number, since it uses less digits than its factorization.

854661472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815470 (or 3815462 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 854661472 is about 29234.5937546599. The cubic root of 854661472 is about 948.9967144049.

The spelling of 854661472 in words is "eight hundred fifty-four million, six hundred sixty-one thousand, four hundred seventy-two".