392213 has 2 divisors, whose sum is σ = 392214. Its totient is φ = 392212.

The previous prime is 392209. The next prime is 392221. The reversal of 392213 is 312293.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 386884 + 5329 = 622^2 + 73^2 .

It is a cyclic number.

It is not a de Polignac number, because 392213 - 2² = 392209 is a prime.

It is a plaindrome in base 6.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (392233) 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 as a sum of consecutive naturals, namely, 196106 + 196107.

It is an arithmetic number, because the mean of its divisors is an integer number (196107).

2³⁹²²¹³ is an apocalyptic number.

It is an amenable number.

392213 is a deficient number, since it is larger than the sum of its proper divisors (1).

392213 is an equidigital number, since it uses as much as digits as its factorization.

392213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 20.

The square root of 392213 is about 626.2691114848. The cubic root of 392213 is about 73.1993674485.

The spelling of 392213 in words is "three hundred ninety-two thousand, two hundred thirteen".