9920593 has 4 divisors (see below), whose sum is σ = 10107828. Its totient is φ = 9733360.

The previous prime is 9920579. The next prime is 9920597. The reversal of 9920593 is 3950299.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3196944 + 6723649 = 1788^2 + 2593^2 .

It is a cyclic number.

It is not a de Polignac number, because 9920593 - 2¹³ = 9912401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9920597) 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, 93538 + ... + 93643.

It is an arithmetic number, because the mean of its divisors is an integer number (2526957).

Almost surely, 2^9920593 is an apocalyptic number.

It is an amenable number.

9920593 is a deficient number, since it is larger than the sum of its proper divisors (187235).

9920593 is a wasteful number, since it uses less digits than its factorization.

9920593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187234.

The product of its (nonzero) digits is 21870, while the sum is 37.

The square root of 9920593 is about 3149.6972870420. The cubic root of 9920593 is about 214.8716955768.

The spelling of 9920593 in words is "nine million, nine hundred twenty thousand, five hundred ninety-three".