9643694 has 4 divisors (see below), whose sum is σ = 14465544. Its totient is φ = 4821846.

The previous prime is 9643691. The next prime is 9643703. The reversal of 9643694 is 4963469.

9643694 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.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9643691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2410922 + ... + 2410925.

It is an arithmetic number, because the mean of its divisors is an integer number (3616386).

Almost surely, 2^9643694 is an apocalyptic number.

9643694 is a deficient number, since it is larger than the sum of its proper divisors (4821850).

9643694 is a wasteful number, since it uses less digits than its factorization.

9643694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821849.

The product of its digits is 139968, while the sum is 41.

The square root of 9643694 is about 3105.4297609188. The cubic root of 9643694 is about 212.8536689544.

The spelling of 9643694 in words is "nine million, six hundred forty-three thousand, six hundred ninety-four".