213605432 has 8 divisors (see below), whose sum is σ = 400510200. Its totient is φ = 106802712.

The previous prime is 213605419. The next prime is 213605437. The reversal of 213605432 is 234506312.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213605437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13350332 + ... + 13350347.

It is an arithmetic number, because the mean of its divisors is an integer number (50063775).

Almost surely, 2^213605432 is an apocalyptic number.

It is an amenable number.

213605432 is a deficient number, since it is larger than the sum of its proper divisors (186904768).

213605432 is a wasteful number, since it uses less digits than its factorization.

213605432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26700685 (or 26700681 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 213605432 is about 14615.2465596719. The cubic root of 213605432 is about 597.7745633320.

The spelling of 213605432 in words is "two hundred thirteen million, six hundred five thousand, four hundred thirty-two".