393873 has 8 divisors (see below), whose sum is σ = 556128. Its totient is φ = 247104.

The previous prime is 393871. The next prime is 393901. The reversal of 393873 is 378393.

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

It is not a de Polignac number, because 393873 - 2¹ = 393871 is a prime.

It is a d-powerful number, because it can be written as 3⁵ + 9⁴ + 8⁵ + 3¹¹ + 7 + 3¹¹ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393871) 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, 3811 + ... + 3912.

It is an arithmetic number, because the mean of its divisors is an integer number (69516).

2³⁹³⁸⁷³ is an apocalyptic number.

It is an amenable number.

393873 is a deficient number, since it is larger than the sum of its proper divisors (162255).

393873 is a wasteful number, since it uses less digits than its factorization.

393873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7743.

The product of its digits is 13608, while the sum is 33.

The square root of 393873 is about 627.5930209937. The cubic root of 393873 is about 73.3024916221.

The spelling of 393873 in words is "three hundred ninety-three thousand, eight hundred seventy-three".