9698643 has 8 divisors (see below), whose sum is σ = 14368400. Its totient is φ = 6465744.

The previous prime is 9698639. The next prime is 9698659. The reversal of 9698643 is 3468969.

It is not a de Polignac number, because 9698643 - 2² = 9698639 is a prime.

It is a d-powerful number, because it can be written as 9⁴ + 6⁶ + 9⁷ + 8⁵ + 6⁶ + 4³ + 3¹⁴ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9698543) 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, 179578 + ... + 179631.

It is an arithmetic number, because the mean of its divisors is an integer number (1796050).

Almost surely, 2^9698643 is an apocalyptic number.

9698643 is a deficient number, since it is larger than the sum of its proper divisors (4669757).

9698643 is a wasteful number, since it uses less digits than its factorization.

9698643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359218 (or 359212 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 9698643 is about 3114.2644396390. The cubic root of 9698643 is about 213.2571779498.

The spelling of 9698643 in words is "nine million, six hundred ninety-eight thousand, six hundred forty-three".