42843829 has 16 divisors (see below), whose sum is σ = 50872320. Its totient is φ = 35308080.

The previous prime is 42843809. The next prime is 42843847. The reversal of 42843829 is 92834824.

It is a cyclic number.

It is not a de Polignac number, because 42843829 - 2⁵ = 42843797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42843791 and 42843800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42843809) 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, 38292 + ... + 39394.

It is an arithmetic number, because the mean of its divisors is an integer number (3179520).

Almost surely, 2^42843829 is an apocalyptic number.

It is an amenable number.

42843829 is a deficient number, since it is larger than the sum of its proper divisors (8028491).

42843829 is a wasteful number, since it uses less digits than its factorization.

42843829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320.

The product of its digits is 110592, while the sum is 40.

The square root of 42843829 is about 6545.5197654579. The cubic root of 42843829 is about 349.9151603890.

The spelling of 42843829 in words is "forty-two million, eight hundred forty-three thousand, eight hundred twenty-nine".