854437872 has 40 divisors (see below), whose sum is σ = 2278504960. Its totient is φ = 275624640.

The previous prime is 854437853. The next prime is 854437873. The reversal of 854437872 is 278734458.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854437873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285622 + ... + 288597.

It is an arithmetic number, because the mean of its divisors is an integer number (56962624).

Almost surely, 2^854437872 is an apocalyptic number.

It is an amenable number.

854437872 is an abundant number, since it is smaller than the sum of its proper divisors (1424067088).

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

854437872 is a wasteful number, since it uses less digits than its factorization.

854437872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574261 (or 574255 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 48.

The square root of 854437872 is about 29230.7692680162. The cubic root of 854437872 is about 948.9139470636.

The spelling of 854437872 in words is "eight hundred fifty-four million, four hundred thirty-seven thousand, eight hundred seventy-two".