9723406 has 32 divisors (see below), whose sum is σ = 18390528. Its totient is φ = 3745440.

The previous prime is 9723403. The next prime is 9723409. The reversal of 9723406 is 6043279.

It is an interprime number because it is at equal distance from previous prime (9723403) and next prime (9723409).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9723401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15556 + ... + 16168.

It is an arithmetic number, because the mean of its divisors is an integer number (574704).

Almost surely, 2^9723406 is an apocalyptic number.

9723406 is a deficient number, since it is larger than the sum of its proper divisors (8667122).

9723406 is a wasteful number, since it uses less digits than its factorization.

9723406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 9723406 is about 3118.2376432851. The cubic root of 9723406 is about 213.4385228863.

The spelling of 9723406 in words is "nine million, seven hundred twenty-three thousand, four hundred six".