9702143 has 12 divisors (see below), whose sum is σ = 10747464. Its totient is φ = 8751600.

The previous prime is 9702107. The next prime is 9702149. The reversal of 9702143 is 3412079.

It is not a de Polignac number, because 9702143 - 2¹⁴ = 9685759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9702149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21680 + ... + 22122.

It is an arithmetic number, because the mean of its divisors is an integer number (895622).

Almost surely, 2^9702143 is an apocalyptic number.

9702143 is a deficient number, since it is larger than the sum of its proper divisors (1045321).

9702143 is a wasteful number, since it uses less digits than its factorization.

9702143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 9702143 is about 3114.8263193957. The cubic root of 9702143 is about 213.2828279421.

Subtracting from 9702143 its reverse (3412079), we obtain a square (6290064 = 2508²).

It can be divided in two parts, 970 and 2143, that added together give a palindrome (3113).

The spelling of 9702143 in words is "nine million, seven hundred two thousand, one hundred forty-three".