213083744 has 24 divisors (see below), whose sum is σ = 427427280. Its totient is φ = 104530816.

The previous prime is 213083743. The next prime is 213083747. The reversal of 213083744 is 447380312.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 213083744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213083743) 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, 61124 + ... + 64515.

It is an arithmetic number, because the mean of its divisors is an integer number (17809470).

Almost surely, 2^213083744 is an apocalyptic number.

It is an amenable number.

213083744 is an abundant number, since it is smaller than the sum of its proper divisors (214343536).

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

213083744 is a wasteful number, since it uses less digits than its factorization.

213083744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125702 (or 125694 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 213083744 is about 14597.3882595483. The cubic root of 213083744 is about 597.2875188519.

It can be divided in two parts, 21308 and 3744, that added together give a palindrome (25052).

The spelling of 213083744 in words is "two hundred thirteen million, eighty-three thousand, seven hundred forty-four".