97858393 has 4 divisors (see below), whose sum is σ = 97879860. Its totient is φ = 97836928.

The previous prime is 97858381. The next prime is 97858427. The reversal of 97858393 is 39385879.

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 89718784 + 8139609 = 9472^2 + 2853^2 .

It is a cyclic number.

It is not a de Polignac number, because 97858393 - 2¹³ = 97850201 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 97858393.

It is not an unprimeable number, because it can be changed into a prime (97858373) 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, 880 + ... + 14017.

It is an arithmetic number, because the mean of its divisors is an integer number (24469965).

Almost surely, 2^97858393 is an apocalyptic number.

It is an amenable number.

97858393 is a deficient number, since it is larger than the sum of its proper divisors (21467).

97858393 is a wasteful number, since it uses less digits than its factorization.

97858393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21466.

The product of its digits is 1632960, while the sum is 52.

The square root of 97858393 is about 9892.3401174848. The cubic root of 97858393 is about 460.8214575175.

The spelling of 97858393 in words is "ninety-seven million, eight hundred fifty-eight thousand, three hundred ninety-three".