213389829 has 16 divisors (see below), whose sum is σ = 316419840. Its totient is φ = 142130880.

The previous prime is 213389821. The next prime is 213389879. The reversal of 213389829 is 928983312.

It is not a de Polignac number, because 213389829 - 2³ = 213389821 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213389821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33844 + ... + 39650.

It is an arithmetic number, because the mean of its divisors is an integer number (19776240).

Almost surely, 2^213389829 is an apocalyptic number.

It is an amenable number.

213389829 is a deficient number, since it is larger than the sum of its proper divisors (103030011).

213389829 is a wasteful number, since it uses less digits than its factorization.

213389829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7177 (or 7171 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 213389829 is about 14607.8687357191. The cubic root of 213389829 is about 597.5733740415.

The spelling of 213389829 in words is "two hundred thirteen million, three hundred eighty-nine thousand, eight hundred twenty-nine".