9914557 has 4 divisors (see below), whose sum is σ = 10182556. Its totient is φ = 9646560.

The previous prime is 9914543. The next prime is 9914617. The reversal of 9914557 is 7554199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7554199 = 1741 ⋅4339.

It can be written as a sum of positive squares in 2 ways, for example, as 6205081 + 3709476 = 2491^2 + 1926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9914557 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 (9912557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133944 + ... + 134017.

It is an arithmetic number, because the mean of its divisors is an integer number (2545639).

Almost surely, 2^9914557 is an apocalyptic number.

It is an amenable number.

9914557 is a deficient number, since it is larger than the sum of its proper divisors (267999).

9914557 is a wasteful number, since it uses less digits than its factorization.

9914557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267998.

The product of its digits is 56700, while the sum is 40.

The square root of 9914557 is about 3148.7389539306. The cubic root of 9914557 is about 214.8281085089.

The spelling of 9914557 in words is "nine million, nine hundred fourteen thousand, five hundred fifty-seven".