9965398 has 8 divisors (see below), whose sum is σ = 14972760. Its totient is φ = 4974480.

The previous prime is 9965381. The next prime is 9965399. The reversal of 9965398 is 8935699.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9965399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2463 + ... + 5098.

It is an arithmetic number, because the mean of its divisors is an integer number (1871595).

Almost surely, 2^9965398 is an apocalyptic number.

9965398 is a deficient number, since it is larger than the sum of its proper divisors (5007362).

9965398 is a wasteful number, since it uses less digits than its factorization.

9965398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8222.

The product of its digits is 524880, while the sum is 49.

The square root of 9965398 is about 3156.8018626452. The cubic root of 9965398 is about 215.1946893426.

The spelling of 9965398 in words is "nine million, nine hundred sixty-five thousand, three hundred ninety-eight".