9964071 has 18 divisors (see below), whose sum is σ = 15587208. Its totient is φ = 6130800.

The previous prime is 9964049. The next prime is 9964099. The reversal of 9964071 is 1704699.

9964071 is a `hidden beast` number, since 9 + 9 + 640 + 7 + 1 = 666.

It is not a de Polignac number, because 9964071 - 2⁶ = 9964007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9964021) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1755 + ... + 4796.

It is an arithmetic number, because the mean of its divisors is an integer number (865956).

Almost surely, 2^9964071 is an apocalyptic number.

9964071 is a deficient number, since it is larger than the sum of its proper divisors (5623137).

9964071 is a wasteful number, since it uses less digits than its factorization.

9964071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6583 (or 6567 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 9964071 is about 3156.5916745756. The cubic root of 9964071 is about 215.1851370889.

The spelling of 9964071 in words is "nine million, nine hundred sixty-four thousand, seventy-one".