393100093 has 4 divisors (see below), whose sum is σ = 394126848. Its totient is φ = 392073340.

The previous prime is 393100079. The next prime is 393100117. The reversal of 393100093 is 390001393.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-393100093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393100003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512803 + ... + 513568.

It is an arithmetic number, because the mean of its divisors is an integer number (98531712).

Almost surely, 2^393100093 is an apocalyptic number.

It is an amenable number.

393100093 is a deficient number, since it is larger than the sum of its proper divisors (1026755).

393100093 is a wasteful number, since it uses less digits than its factorization.

393100093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026754.

The product of its (nonzero) digits is 2187, while the sum is 28.

The square root of 393100093 is about 19826.7519528540. The cubic root of 393100093 is about 732.5451244396.

The spelling of 393100093 in words is "three hundred ninety-three million, one hundred thousand, ninety-three".