9640038 has 16 divisors (see below), whose sum is σ = 19318896. Its totient is φ = 3206880.

The previous prime is 9640031. The next prime is 9640051. The reversal of 9640038 is 8300469.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9639987 and 9640014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9640031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2368 + ... + 4988.

It is an arithmetic number, because the mean of its divisors is an integer number (1207431).

Almost surely, 2^9640038 is an apocalyptic number.

9640038 is an abundant number, since it is smaller than the sum of its proper divisors (9678858).

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

9640038 is a wasteful number, since it uses less digits than its factorization.

9640038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 9640038 is about 3104.8410587339. The cubic root of 9640038 is about 212.8267673897.

The spelling of 9640038 in words is "nine million, six hundred forty thousand, thirty-eight".