97389543 has 4 divisors (see below), whose sum is σ = 129852728. Its totient is φ = 64926360.

The previous prime is 97389533. The next prime is 97389547. The reversal of 97389543 is 34598379.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 97389543 - 2⁸ = 97389287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97389492 and 97389501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97389547) 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, 16231588 + ... + 16231593.

It is an arithmetic number, because the mean of its divisors is an integer number (32463182).

Almost surely, 2^97389543 is an apocalyptic number.

97389543 is a deficient number, since it is larger than the sum of its proper divisors (32463185).

97389543 is a wasteful number, since it uses less digits than its factorization.

97389543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32463184.

The product of its digits is 816480, while the sum is 48.

The square root of 97389543 is about 9868.6140364288. The cubic root of 97389543 is about 460.0843307897.

The spelling of 97389543 in words is "ninety-seven million, three hundred eighty-nine thousand, five hundred forty-three".