8456472 has 48 divisors (see below), whose sum is σ = 23258040. Its totient is φ = 2775168.

The previous prime is 8456467. The next prime is 8456473. The reversal of 8456472 is 2746548.

8456472 is a `hidden beast` number, since 8 + 4 + 5 + 647 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 8² + 4⁸ + 5⁴ + 6⁴ + 4¹¹ + 7³ + 2²² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8456473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3948 + ... + 5700.

Almost surely, 2^8456472 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 8456472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11629020).

8456472 is an abundant number, since it is smaller than the sum of its proper divisors (14801568).

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

8456472 is a wasteful number, since it uses less digits than its factorization.

8456472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832 (or 1825 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 8456472 is about 2908.0013755155. The cubic root of 8456472 is about 203.7337934843.

The spelling of 8456472 in words is "eight million, four hundred fifty-six thousand, four hundred seventy-two".