387683493 has 8 divisors (see below), whose sum is σ = 519230208. Its totient is φ = 257296224.

The previous prime is 387683479. The next prime is 387683503. The reversal of 387683493 is 394386783.

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

It is not a de Polignac number, because 387683493 - 2⁸ = 387683237 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387683293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289080 + ... + 290417.

It is an arithmetic number, because the mean of its divisors is an integer number (64903776).

Almost surely, 2^387683493 is an apocalyptic number.

It is an amenable number.

387683493 is a deficient number, since it is larger than the sum of its proper divisors (131546715).

387683493 is a wasteful number, since it uses less digits than its factorization.

387683493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579723.

The product of its digits is 2612736, while the sum is 51.

The square root of 387683493 is about 19689.6798602720. The cubic root of 387683493 is about 729.1649254939.

The spelling of 387683493 in words is "three hundred eighty-seven million, six hundred eighty-three thousand, four hundred ninety-three".