213000436 has 24 divisors (see below), whose sum is σ = 407080800. Its totient is φ = 96712800.

The previous prime is 213000433. The next prime is 213000461. The reversal of 213000436 is 634000312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213000433) 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, 49915 + ... + 54013.

It is an arithmetic number, because the mean of its divisors is an integer number (16961700).

Almost surely, 2^213000436 is an apocalyptic number.

It is an amenable number.

213000436 is a deficient number, since it is larger than the sum of its proper divisors (194080364).

213000436 is a wasteful number, since it uses less digits than its factorization.

213000436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5295 (or 5293 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 213000436 is about 14594.5344564327. The cubic root of 213000436 is about 597.2096694679.

Adding to 213000436 its reverse (634000312), we get a palindrome (847000748).

The spelling of 213000436 in words is "two hundred thirteen million, four hundred thirty-six", and thus it is an aban number.