9945524 has 6 divisors (see below), whose sum is σ = 17404674. Its totient is φ = 4972760.

The previous prime is 9945511. The next prime is 9945539. The reversal of 9945524 is 4255499.

9945524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9412624 + 532900 = 3068^2 + 730^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1243187 + ... + 1243194.

It is an arithmetic number, because the mean of its divisors is an integer number (2900779).

Almost surely, 2^9945524 is an apocalyptic number.

It is an amenable number.

9945524 is a deficient number, since it is larger than the sum of its proper divisors (7459150).

9945524 is a wasteful number, since it uses less digits than its factorization.

9945524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486385 (or 2486383 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 9945524 is about 3153.6524856109. The cubic root of 9945524 is about 215.0515398342.

The spelling of 9945524 in words is "nine million, nine hundred forty-five thousand, five hundred twenty-four".