213384776 has 16 divisors (see below), whose sum is σ = 436469040. Its totient is φ = 96993040.

The previous prime is 213384739. The next prime is 213384779. The reversal of 213384776 is 677483312.

It is not an unprimeable number, because it can be changed into a prime (213384779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1212326 + ... + 1212501.

It is an arithmetic number, because the mean of its divisors is an integer number (27279315).

Almost surely, 2^213384776 is an apocalyptic number.

It is an amenable number.

213384776 is an abundant number, since it is smaller than the sum of its proper divisors (223084264).

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

213384776 is a wasteful number, since it uses less digits than its factorization.

213384776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424844 (or 2424840 counting only the distinct ones).

The product of its digits is 169344, while the sum is 41.

The square root of 213384776 is about 14607.6957799648. The cubic root of 213384776 is about 597.5686572249.

The spelling of 213384776 in words is "two hundred thirteen million, three hundred eighty-four thousand, seven hundred seventy-six".