383540093 has 4 divisors (see below), whose sum is σ = 389264640. Its totient is φ = 377815548.

The previous prime is 383540089. The next prime is 383540119. The reversal of 383540093 is 390045383.

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 not a de Polignac number, because 383540093 - 2² = 383540089 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383540293) 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, 2862173 + ... + 2862306.

It is an arithmetic number, because the mean of its divisors is an integer number (97316160).

Almost surely, 2^383540093 is an apocalyptic number.

It is an amenable number.

383540093 is a deficient number, since it is larger than the sum of its proper divisors (5724547).

383540093 is an equidigital number, since it uses as much as digits as its factorization.

383540093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5724546.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 383540093 is about 19584.1796611449. The cubic root of 383540093 is about 726.5579453490.

The spelling of 383540093 in words is "three hundred eighty-three million, five hundred forty thousand, ninety-three".