992213 has 8 divisors (see below), whose sum is σ = 1026648. Its totient is φ = 958464.

The previous prime is 992183. The next prime is 992219. The reversal of 992213 is 312299.

It can be written as a sum of positive squares in 4 ways, for example, as 114244 + 877969 = 338^2 + 937^2 .

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 992213 - 2⁸ = 991957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5045 + ... + 5237.

It is an arithmetic number, because the mean of its divisors is an integer number (128331).

2⁹⁹²²¹³ is an apocalyptic number.

It is an amenable number.

992213 is a deficient number, since it is larger than the sum of its proper divisors (34435).

992213 is a wasteful number, since it uses less digits than its factorization.

992213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343.

The product of its digits is 972, while the sum is 26.

The square root of 992213 is about 996.0988906730. The cubic root of 992213 is about 99.7397566549.

The spelling of 992213 in words is "nine hundred ninety-two thousand, two hundred thirteen".