213401424 has 40 divisors (see below), whose sum is σ = 560332192. Its totient is φ = 69966720.

The previous prime is 213401413. The next prime is 213401437. The reversal of 213401424 is 424104312.

213401424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 213401424.

It is a congruent number.

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, 33514 + ... + 39369.

Almost surely, 2^213401424 is an apocalyptic number.

213401424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

213401424 is an abundant number, since it is smaller than the sum of its proper divisors (346930768).

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

213401424 is a wasteful number, since it uses less digits than its factorization.

213401424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72955 (or 72949 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 213401424 is about 14608.2656054714. The cubic root of 213401424 is about 597.5841973280.

Adding to 213401424 its reverse (424104312), we get a palindrome (637505736).

The spelling of 213401424 in words is "two hundred thirteen million, four hundred one thousand, four hundred twenty-four".