387733 has 4 divisors (see below), whose sum is σ = 408160. Its totient is φ = 367308.

The previous prime is 387727. The next prime is 387743. The reversal of 387733 is 337783.

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, and also an emirpimes, since its reverse is a distinct semiprime: 337783 = 149 ⋅2267.

It is not a de Polignac number, because 387733 - 2¹³ = 379541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 387695 and 387704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10185 + ... + 10222.

It is an arithmetic number, because the mean of its divisors is an integer number (102040).

2³⁸⁷⁷³³ is an apocalyptic number.

It is an amenable number.

387733 is a deficient number, since it is larger than the sum of its proper divisors (20427).

387733 is a wasteful number, since it uses less digits than its factorization.

387733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20426.

The product of its digits is 10584, while the sum is 31.

The square root of 387733 is about 622.6821018786. The cubic root of 387733 is about 72.9195962179.

The spelling of 387733 in words is "three hundred eighty-seven thousand, seven hundred thirty-three".