213473432 has 8 divisors (see below), whose sum is σ = 400262700. Its totient is φ = 106736712.

The previous prime is 213473423. The next prime is 213473443. The reversal of 213473432 is 234374312.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 213473395 and 213473404.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13342082 + ... + 13342097.

Almost surely, 2^213473432 is an apocalyptic number.

It is an amenable number.

213473432 is a deficient number, since it is larger than the sum of its proper divisors (186789268).

213473432 is a wasteful number, since it uses less digits than its factorization.

213473432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26684185 (or 26684181 counting only the distinct ones).

The product of its digits is 12096, while the sum is 29.

The square root of 213473432 is about 14610.7300296734. The cubic root of 213473432 is about 597.6514040083.

The spelling of 213473432 in words is "two hundred thirteen million, four hundred seventy-three thousand, four hundred thirty-two".