9960581 has 8 divisors (see below), whose sum is σ = 10329984. Its totient is φ = 9597280.

The previous prime is 9960553. The next prime is 9960583. The reversal of 9960581 is 1850699.

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

It is not a de Polignac number, because 9960581 - 2¹⁴ = 9944197 is a prime.

It is a super-2 number, since 2×9960581² = 198426347715122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9960583) 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, 1940 + ... + 4866.

It is an arithmetic number, because the mean of its divisors is an integer number (1291248).

Almost surely, 2^9960581 is an apocalyptic number.

It is an amenable number.

9960581 is a deficient number, since it is larger than the sum of its proper divisors (369403).

9960581 is a wasteful number, since it uses less digits than its factorization.

9960581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 9960581 is about 3156.0388147170. The cubic root of 9960581 is about 215.1600106847.

The spelling of 9960581 in words is "nine million, nine hundred sixty thousand, five hundred eighty-one".