93490897 has 4 divisors (see below), whose sum is σ = 96017716. Its totient is φ = 90964080.

The previous prime is 93490847. The next prime is 93490907. The reversal of 93490897 is 79809439.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79809439 = 2287 ⋅34897.

It can be written as a sum of positive squares in 2 ways, for example, as 78428736 + 15062161 = 8856^2 + 3881^2 .

It is a cyclic number.

It is not a de Polignac number, because 93490897 - 2¹⁹ = 92966609 is a prime.

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 93490897.

It is not an unprimeable number, because it can be changed into a prime (93490847) 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 3 ways as a sum of consecutive naturals, for example, 1263354 + ... + 1263427.

It is an arithmetic number, because the mean of its divisors is an integer number (24004429).

Almost surely, 2^93490897 is an apocalyptic number.

It is an amenable number.

93490897 is a deficient number, since it is larger than the sum of its proper divisors (2526819).

93490897 is a wasteful number, since it uses less digits than its factorization.

93490897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526818.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 93490897 is about 9669.0690865253. The cubic root of 93490897 is about 453.8612541540.

The spelling of 93490897 in words is "ninety-three million, four hundred ninety thousand, eight hundred ninety-seven".