213193632 has 48 divisors (see below), whose sum is σ = 560861280. Its totient is φ = 70908672.

The previous prime is 213193577. The next prime is 213193637. The reversal of 213193632 is 236391312.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 213193632.

It is not an unprimeable number, because it can be changed into a prime (213193637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46683 + ... + 51045.

It is an arithmetic number, because the mean of its divisors is an integer number (11684610).

Almost surely, 2^213193632 is an apocalyptic number.

It is an amenable number.

213193632 is an abundant number, since it is smaller than the sum of its proper divisors (347667648).

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

213193632 is a wasteful number, since it uses less digits than its factorization.

213193632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4885 (or 4877 counting only the distinct ones).

The product of its digits is 5832, while the sum is 30.

The square root of 213193632 is about 14601.1517353940. The cubic root of 213193632 is about 597.3901755980.

The spelling of 213193632 in words is "two hundred thirteen million, one hundred ninety-three thousand, six hundred thirty-two".