213992296 has 64 divisors (see below), whose sum is σ = 470292480. Its totient is φ = 89396160.

The previous prime is 213992293. The next prime is 213992321. The reversal of 213992296 is 692299312.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (213992293) 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 15 ways as a sum of consecutive naturals, for example, 425181 + ... + 425683.

It is an arithmetic number, because the mean of its divisors is an integer number (7348320).

Almost surely, 2^213992296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213992296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235146240).

213992296 is an abundant number, since it is smaller than the sum of its proper divisors (256300184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213992296 is a wasteful number, since it uses less digits than its factorization.

213992296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694 (or 690 counting only the distinct ones).

The product of its digits is 104976, while the sum is 43.

The square root of 213992296 is about 14628.4755186588. The cubic root of 213992296 is about 598.1352251771.

The spelling of 213992296 in words is "two hundred thirteen million, nine hundred ninety-two thousand, two hundred ninety-six".