213392 has 10 divisors (see below), whose sum is σ = 413478. Its totient is φ = 106688.

The previous prime is 213391. The next prime is 213397. The reversal of 213392 is 293312.

It can be written as a sum of positive squares in only one way, i.e., 163216 + 50176 = 404^2 + 224^2 .

It is a super-2 number, since 2×213392² = 91072291328, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 213392.

It is not an unprimeable number, because it can be changed into a prime (213391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6653 + ... + 6684.

2²¹³³⁹² is an apocalyptic number.

It is an amenable number.

213392 is a deficient number, since it is larger than the sum of its proper divisors (200086).

213392 is a wasteful number, since it uses less digits than its factorization.

213392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13345 (or 13339 counting only the distinct ones).

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

The square root of 213392 is about 461.9437195157. The cubic root of 213392 is about 59.7575400579.

The spelling of 213392 in words is "two hundred thirteen thousand, three hundred ninety-two".