390793 has 8 divisors (see below), whose sum is σ = 439488. Its totient is φ = 344784.

The previous prime is 390791. The next prime is 390809. The reversal of 390793 is 397093.

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 390793 - 2¹ = 390791 is a prime.

It is an Ulam number.

It is a Duffinian number.

390793 is a lucky number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390791) 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 7 ways as a sum of consecutive naturals, for example, 355 + ... + 952.

It is an arithmetic number, because the mean of its divisors is an integer number (54936).

2³⁹⁰⁷⁹³ is an apocalyptic number.

It is an amenable number.

390793 is a deficient number, since it is larger than the sum of its proper divisors (48695).

390793 is a wasteful number, since it uses less digits than its factorization.

390793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343.

The product of its (nonzero) digits is 5103, while the sum is 31.

The square root of 390793 is about 625.1343855524. The cubic root of 390793 is about 73.1109216329.

The spelling of 390793 in words is "three hundred ninety thousand, seven hundred ninety-three".