97286393 has 4 divisors (see below), whose sum is σ = 103009140. Its totient is φ = 91563648.

The previous prime is 97286383. The next prime is 97286419. The reversal of 97286393 is 39368279.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39100009 + 58186384 = 6253^2 + 7628^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97286393 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (97286363) 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, 2861348 + ... + 2861381.

It is an arithmetic number, because the mean of its divisors is an integer number (25752285).

Almost surely, 2^97286393 is an apocalyptic number.

It is an amenable number.

97286393 is a deficient number, since it is larger than the sum of its proper divisors (5722747).

97286393 is a wasteful number, since it uses less digits than its factorization.

97286393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5722746.

The product of its digits is 489888, while the sum is 47.

The square root of 97286393 is about 9863.3864874089. The cubic root of 97286393 is about 459.9218408479.

It can be divided in two parts, 97286 and 393, that added together give a palindrome (97679).

The spelling of 97286393 in words is "ninety-seven million, two hundred eighty-six thousand, three hundred ninety-three".