10381993 has 8 divisors (see below), whose sum is σ = 11183616. Its totient is φ = 9609600.

The previous prime is 10381991. The next prime is 10382003. The reversal of 10381993 is 39918301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10381993 - 2¹ = 10381991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10381991) 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 7 ways as a sum of consecutive naturals, for example, 6568 + ... + 7993.

It is an arithmetic number, because the mean of its divisors is an integer number (1397952).

Almost surely, 2^10381993 is an apocalyptic number.

It is an amenable number.

10381993 is a deficient number, since it is larger than the sum of its proper divisors (801623).

10381993 is a wasteful number, since it uses less digits than its factorization.

10381993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14615.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 10381993 is about 3222.1100229508. The cubic root of 10381993 is about 218.1525249130.

The spelling of 10381993 in words is "ten million, three hundred eighty-one thousand, nine hundred ninety-three".