102349393 has 4 divisors (see below), whose sum is σ = 102419620. Its totient is φ = 102279168.

The previous prime is 102349369. The next prime is 102349397. The reversal of 102349393 is 393943201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 393943201 = 347 ⋅1135283.

It can be written as a sum of positive squares in 2 ways, for example, as 26450449 + 75898944 = 5143^2 + 8712^2 .

It is a cyclic number.

It is not a de Polignac number, because 102349393 - 2²¹ = 100252241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102349397) 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, 32880 + ... + 35857.

It is an arithmetic number, because the mean of its divisors is an integer number (25604905).

Almost surely, 2^102349393 is an apocalyptic number.

It is an amenable number.

102349393 is a deficient number, since it is larger than the sum of its proper divisors (70227).

102349393 is an equidigital number, since it uses as much as digits as its factorization.

102349393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70226.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 102349393 is about 10116.7876818682. The cubic root of 102349393 is about 467.7657547029.

The spelling of 102349393 in words is "one hundred two million, three hundred forty-nine thousand, three hundred ninety-three".