9894472 has 48 divisors (see below), whose sum is σ = 22120560. Its totient is φ = 4134816.

The previous prime is 9894461. The next prime is 9894491. The reversal of 9894472 is 2744989.

9894472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16563 + ... + 17149.

It is an arithmetic number, because the mean of its divisors is an integer number (460845).

Almost surely, 2^9894472 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 9894472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11060280).

9894472 is an abundant number, since it is smaller than the sum of its proper divisors (12226088).

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

9894472 is a wasteful number, since it uses less digits than its factorization.

9894472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 639 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 9894472 is about 3145.5479649816. The cubic root of 9894472 is about 214.6829435253.

The spelling of 9894472 in words is "nine million, eight hundred ninety-four thousand, four hundred seventy-two".