9964767 has 4 divisors (see below), whose sum is σ = 13286360. Its totient is φ = 6643176.

The previous prime is 9964667. The next prime is 9964769. The reversal of 9964767 is 7674699.

9964767 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7674699 = 3 ⋅2558233.

It is not a de Polignac number, because 9964767 - 2⁷ = 9964639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9964769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1660792 + ... + 1660797.

It is an arithmetic number, because the mean of its divisors is an integer number (3321590).

Almost surely, 2^9964767 is an apocalyptic number.

9964767 is a deficient number, since it is larger than the sum of its proper divisors (3321593).

9964767 is a wasteful number, since it uses less digits than its factorization.

9964767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321592.

The product of its digits is 571536, while the sum is 48.

The square root of 9964767 is about 3156.7019181418. The cubic root of 9964767 is about 215.1901472689.

It can be divided in two parts, 9964 and 767, that added together give a triangular number (10731 = T₁₄₆).

The spelling of 9964767 in words is "nine million, nine hundred sixty-four thousand, seven hundred sixty-seven".