390229 has 8 divisors (see below), whose sum is σ = 451008. Its totient is φ = 330720.

The previous prime is 390223. The next prime is 390263. The reversal of 390229 is 922093.

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 390229 - 2⁷ = 390101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390223) 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, 489 + ... + 1009.

It is an arithmetic number, because the mean of its divisors is an integer number (56376).

2³⁹⁰²²⁹ is an apocalyptic number.

It is an amenable number.

390229 is a deficient number, since it is larger than the sum of its proper divisors (60779).

390229 is a wasteful number, since it uses less digits than its factorization.

390229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 390229 is about 624.6831196695. The cubic root of 390229 is about 73.0757330014.

The spelling of 390229 in words is "three hundred ninety thousand, two hundred twenty-nine".