9961359 has 8 divisors (see below), whose sum is σ = 13480320. Its totient is φ = 6541656.

The previous prime is 9961351. The next prime is 9961381. The reversal of 9961359 is 9531699.

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

It is not a de Polignac number, because 9961359 - 2³ = 9961351 is a prime.

9961359 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9961359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9961351) 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, 24579 + ... + 24980.

It is an arithmetic number, because the mean of its divisors is an integer number (1685040).

Almost surely, 2^9961359 is an apocalyptic number.

9961359 is a deficient number, since it is larger than the sum of its proper divisors (3518961).

9961359 is a wasteful number, since it uses less digits than its factorization.

9961359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49629.

The product of its digits is 65610, while the sum is 42.

The square root of 9961359 is about 3156.1620680821. The cubic root of 9961359 is about 215.1656124372.

The spelling of 9961359 in words is "nine million, nine hundred sixty-one thousand, three hundred fifty-nine".