390319 has 4 divisors (see below), whose sum is σ = 392040. Its totient is φ = 388600.

The previous prime is 390307. The next prime is 390323. The reversal of 390319 is 913093.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 913093 = 109 ⋅8377.

It is a cyclic number.

It is not a de Polignac number, because 390319 - 2⁷ = 390191 is a prime.

It is a super-2 number, since 2×390319² = 304697843522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 390293 and 390302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457 + ... + 994.

It is an arithmetic number, because the mean of its divisors is an integer number (98010).

2³⁹⁰³¹⁹ is an apocalyptic number.

390319 is a deficient number, since it is larger than the sum of its proper divisors (1721).

390319 is a wasteful number, since it uses less digits than its factorization.

390319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720.

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 390319 is about 624.7551520396. The cubic root of 390319 is about 73.0813504811.

The spelling of 390319 in words is "three hundred ninety thousand, three hundred nineteen".