213613384 has 32 divisors (see below), whose sum is σ = 406074240. Its totient is φ = 105336000.

The previous prime is 213613357. The next prime is 213613471. The reversal of 213613384 is 483316312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373819 + ... + 374389.

It is an arithmetic number, because the mean of its divisors is an integer number (12689820).

Almost surely, 2^213613384 is an apocalyptic number.

It is an amenable number.

213613384 is a deficient number, since it is larger than the sum of its proper divisors (192460856).

213613384 is a wasteful number, since it uses less digits than its factorization.

213613384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1137 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 213613384 is about 14615.5186018150. The cubic root of 213613384 is about 597.7819811277.

Adding to 213613384 its reverse (483316312), we get a palindrome (696929696).

The spelling of 213613384 in words is "two hundred thirteen million, six hundred thirteen thousand, three hundred eighty-four".