9923557 has 8 divisors (see below), whose sum is σ = 11834496. Its totient is φ = 8135952.

The previous prime is 9923531. The next prime is 9923579. The reversal of 9923557 is 7553299.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9923557 - 2⁷ = 9923429 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 (9923057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30658 + ... + 30979.

It is an arithmetic number, because the mean of its divisors is an integer number (1479312).

Almost surely, 2^9923557 is an apocalyptic number.

It is an amenable number.

9923557 is a deficient number, since it is larger than the sum of its proper divisors (1910939).

9923557 is a wasteful number, since it uses less digits than its factorization.

9923557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61667.

The product of its digits is 85050, while the sum is 40.

The square root of 9923557 is about 3150.1677733099. The cubic root of 9923557 is about 214.8930926945.

The spelling of 9923557 in words is "nine million, nine hundred twenty-three thousand, five hundred fifty-seven".