8451872 has 48 divisors (see below), whose sum is σ = 19559232. Its totient is φ = 3544320.

The previous prime is 8451853. The next prime is 8451881. The reversal of 8451872 is 2781548.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3653 + ... + 5499.

It is an arithmetic number, because the mean of its divisors is an integer number (407484).

Almost surely, 2^8451872 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 8451872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9779616).

8451872 is an abundant number, since it is smaller than the sum of its proper divisors (11107360).

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

8451872 is a wasteful number, since it uses less digits than its factorization.

8451872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881 (or 1873 counting only the distinct ones).

The product of its digits is 17920, while the sum is 35.

The square root of 8451872 is about 2907.2103467070. The cubic root of 8451872 is about 203.6968456322.

The spelling of 8451872 in words is "eight million, four hundred fifty-one thousand, eight hundred seventy-two".