9941557 has 8 divisors (see below), whose sum is σ = 10422720. Its totient is φ = 9471840.

The previous prime is 9941537. The next prime is 9941573. The reversal of 9941557 is 7551499.

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 9941557 - 2²³ = 1552949 is a prime.

It is a Duffinian number.

9941557 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9941537) 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 7 ways as a sum of consecutive naturals, for example, 1057 + ... + 4582.

It is an arithmetic number, because the mean of its divisors is an integer number (1302840).

Almost surely, 2^9941557 is an apocalyptic number.

It is an amenable number.

9941557 is a deficient number, since it is larger than the sum of its proper divisors (481163).

9941557 is a wasteful number, since it uses less digits than its factorization.

9941557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5723.

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

The square root of 9941557 is about 3153.0234696240. The cubic root of 9941557 is about 215.0229432880.

The spelling of 9941557 in words is "nine million, nine hundred forty-one thousand, five hundred fifty-seven".