390796 has 24 divisors (see below), whose sum is σ = 828576. Its totient is φ = 157440.

The previous prime is 390791. The next prime is 390809. The reversal of 390796 is 697093.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an Ulam 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, 66 + ... + 886.

It is an arithmetic number, because the mean of its divisors is an integer number (34524).

2³⁹⁰⁷⁹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414288).

390796 is an abundant number, since it is smaller than the sum of its proper divisors (437780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

390796 is a wasteful number, since it uses less digits than its factorization.

390796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 390796 is about 625.1367850319. The cubic root of 390796 is about 73.1111087159. Note that the first 4 decimals are identical.

The spelling of 390796 in words is "three hundred ninety thousand, seven hundred ninety-six".