213356824 has 16 divisors (see below), whose sum is σ = 400221000. Its totient is φ = 106631232.

The previous prime is 213356821. The next prime is 213356831. The reversal of 213356824 is 428653312.

It is a super-2 number, since 2×213356824² = 91042268694733952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213356824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213356821) 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 3 ways as a sum of consecutive naturals, for example, 20019 + ... + 28765.

Almost surely, 2^213356824 is an apocalyptic number.

It is an amenable number.

213356824 is a deficient number, since it is larger than the sum of its proper divisors (186864176).

213356824 is a wasteful number, since it uses less digits than its factorization.

213356824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11802 (or 11798 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 213356824 is about 14606.7389926705. The cubic root of 213356824 is about 597.5425635663.

The spelling of 213356824 in words is "two hundred thirteen million, three hundred fifty-six thousand, eight hundred twenty-four".