9945474 has 96 divisors (see below), whose sum is σ = 26557440. Its totient is φ = 2423520.

The previous prime is 9945461. The next prime is 9945511. The reversal of 9945474 is 4745499.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96507 + ... + 96609.

It is an arithmetic number, because the mean of its divisors is an integer number (276640).

Almost surely, 2^9945474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9945474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13278720).

9945474 is an abundant number, since it is smaller than the sum of its proper divisors (16611966).

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

9945474 is a wasteful number, since it uses less digits than its factorization.

9945474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 145 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 9945474 is about 3153.6445582849. The cubic root of 9945474 is about 215.0511794512.

The spelling of 9945474 in words is "nine million, nine hundred forty-five thousand, four hundred seventy-four".