9640407 has 12 divisors (see below), whose sum is σ = 14952696. Its totient is φ = 5508720.

The previous prime is 9640373. The next prime is 9640417. The reversal of 9640407 is 7040469.

It is not a de Polignac number, because 9640407 - 2¹² = 9636311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9640417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32644 + ... + 32937.

It is an arithmetic number, because the mean of its divisors is an integer number (1246058).

Almost surely, 2^9640407 is an apocalyptic number.

9640407 is a deficient number, since it is larger than the sum of its proper divisors (5312289).

9640407 is a wasteful number, since it uses less digits than its factorization.

9640407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65598 (or 65591 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 9640407 is about 3104.9004814970. The cubic root of 9640407 is about 212.8294828726.

The spelling of 9640407 in words is "nine million, six hundred forty thousand, four hundred seven".