9698399 has 4 divisors (see below), whose sum is σ = 9752760. Its totient is φ = 9644040.

The previous prime is 9698393. The next prime is 9698413. The reversal of 9698399 is 9938969.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9938969 = 2593 ⋅3833.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9698399 is a prime.

It is a d-powerful number, because it can be written as 9⁴ + 6⁶ + 9⁵ + 8³ + 3⁹ + 9⁷ + 9⁷ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9698399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9698393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26912 + ... + 27269.

It is an arithmetic number, because the mean of its divisors is an integer number (2438190).

Almost surely, 2^9698399 is an apocalyptic number.

9698399 is a deficient number, since it is larger than the sum of its proper divisors (54361).

9698399 is a wasteful number, since it uses less digits than its factorization.

9698399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54360.

The product of its digits is 944784, while the sum is 53.

The square root of 9698399 is about 3114.2252648131. The cubic root of 9698399 is about 213.2553895488.

The spelling of 9698399 in words is "nine million, six hundred ninety-eight thousand, three hundred ninety-nine".