213424332 has 24 divisors (see below), whose sum is σ = 543262272. Its totient is φ = 64674000.

The previous prime is 213424301. The next prime is 213424339. The reversal of 213424332 is 233424312.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (213424339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808294 + ... + 808557.

It is an arithmetic number, because the mean of its divisors is an integer number (22635928).

Almost surely, 2^213424332 is an apocalyptic number.

213424332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213424332 is an abundant number, since it is smaller than the sum of its proper divisors (329837940).

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

213424332 is a wasteful number, since it uses less digits than its factorization.

213424332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616869 (or 1616867 counting only the distinct ones).

The product of its digits is 3456, while the sum is 24.

The square root of 213424332 is about 14609.0496610834. The cubic root of 213424332 is about 597.6055795174.

Adding to 213424332 its reverse (233424312), we get a palindrome (446848644).

The spelling of 213424332 in words is "two hundred thirteen million, four hundred twenty-four thousand, three hundred thirty-two".