390213 has 12 divisors (see below), whose sum is σ = 569088. Its totient is φ = 257640.

The previous prime is 390211. The next prime is 390223. The reversal of 390213 is 312093.

It is not a de Polignac number, because 390213 - 2¹ = 390211 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1606 + ... + 1832.

It is an arithmetic number, because the mean of its divisors is an integer number (47424).

2³⁹⁰²¹³ is an apocalyptic number.

It is an amenable number.

390213 is a deficient number, since it is larger than the sum of its proper divisors (178875).

390213 is a wasteful number, since it uses less digits than its factorization.

390213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 390213 is about 624.6703130452. The cubic root of 390213 is about 73.0747342480.

The spelling of 390213 in words is "three hundred ninety thousand, two hundred thirteen".