213424464 has 40 divisors (see below), whose sum is σ = 601470432. Its totient is φ = 64673920.

The previous prime is 213424451. The next prime is 213424469. The reversal of 213424464 is 464424312.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213424469) 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, 201579 + ... + 202634.

Almost surely, 2^213424464 is an apocalyptic number.

213424464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

213424464 is an abundant number, since it is smaller than the sum of its proper divisors (388045968).

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

213424464 is a wasteful number, since it uses less digits than its factorization.

213424464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404235 (or 404229 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 213424464 is about 14609.0541788303. The cubic root of 213424464 is about 597.6057027210.

Adding to 213424464 its reverse (464424312), we get a palindrome (677848776).

The spelling of 213424464 in words is "two hundred thirteen million, four hundred twenty-four thousand, four hundred sixty-four".